Between 1,200 and 6,000 mIU/ml serum, the hCG usually takes about 72-96 hours to double, and above 6,000 mIU/ml, the hCG often takes over four or more days to . Regular hCG testing and monitoring combined with ultrasounds by your doctor can help you gain better insight into whether or not your pregnancy is healthy and developing normally. They reach the highest levels in the mid-to-late first trimester, around 10 weeks. A test gives an hCG measurement in units per liter (U/l). The bottom line is that if you're feeling anxious over your hCG numbers, it's important to keep in mind that there can be a lot of variation, every person is different, and implantation is not an exact science, so those numbers can be different than you expect. Normally, hCG levels would be less than 5 mIU/mL and less than 2 mIU/mL, respectively, for these groups. hCG is a hormone that plays an important role in pregnancy, and levels can vary widely at this time and between individuals. All rights reserved. Published March 1, 2014. Information on our advertising guidelines can be found. Women having twins generally, but not always, have higher hCG levels or faster rising hCG levels than those with singleton pregnancies. The cookie is used to store the user consent for the cookies in the category "Analytics". You cannot diagnose a twin pregnancy just from the hCG. As the levels increase and your pregnancy progresses, the doubling could take 96 hours. At 4 weeks, my beta was 214. They will be able to offer advice based on your specific situation and medical history. But it's common to get this calculation wrong, especially if you have, Miscarriage. Group Leaders communicate with staff moderators and escalate potential violations for review, but they dont moderate discussions. Can I use Tom Yum paste instead of red curry paste. Progesterone, in turn, has an influence on the uterus; it prevents it from contracting, and, furthermore, maintains the secretory uterine lining, providing a constant supply of the nutrients to the fetus. Could it mean twins? 50-500. There is a wide range of normal hCG levels at 4 weeks. With the help of an ultrasound, your doctor will be able to provide further insight into how far along in your pregnancy you actually are. However, it typically remains at a steady level and it can even slowly decline towards the end of a pregnancy. Q: What Does BHCG less than 5 (<5) means? During the first few weeks of pregnancy, your hCG levels will rise pretty rapidly as your embryo grows. Some doctors schedule an early ultrasound, around 6 to 10 weeks, to confirm the pregnancy or check for issues. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". For more information, see our. It can also help: A person may be familiar with hCG because it is the hormone that pregnancy tests check for in urine. The cookie is used to store the user consent for the cookies in the category "Performance". If conception occurs, hCG then rises rapidly during the early phases of pregnancy and peaks sometime around week 10. However, your doctor will need to conduct further blood testing and ultrasounds throughout your pregnancy to determine how high this risk level is. Today I got my BFP! If you are carrying twins or multiples, it is normal to have hCG levels that are higher than the normal range. The only way to know what your hCG levels are for sure is by having blood tests which measure hCG, specifically hCG levels for twins. HCG Blood tests, sometimes referred to as beta hCG tests, can also confirm pregnancy. Treatment tends to involve close monitoring, which may need to take place in a hospital, as well as medication to control blood pressure and prevent seizures. Even so, detection of high hCG levels alone can't reliably predict twin pregnancies. If this is the case, you may experience other. What does this mean? 1 week. A single HCG measurement doesn't tell the story. Women have Singleton pregnancy show low hCG level to 9 miu/l While the lowest Twins hCG level at 4 weeks LMP or 14DPO is 17 miu/l In case of doubts, make sure to schedule an appointment! HCG is a hormone produced during pregnancy. You cannot calculate your hCG levels without the blood tests, so you cannot do it on your own at home. Q: PSA 7.1 Man 62 with Normal MRI, Do I need Free PSA? However, most women first discover they're pregnant using a store-bought home pregnancy test, which measures hCG levels in the urine. hCG interacts with the luteinizing hormone/choriogonadotropin receptor (LHCGR) of the ovary, and, through this process, stimulates the corpus luteum the remains of an ovarian follicle that has already released an ovum. We believe you should always know the source of the information you're seeing. of pregnancy, concentrations of hCG in the blood and urine usually double every 24 hours. Create an account or log in to participate. After week 17 of pregnancy, it is normal to see a slight decline in hCG levels. My HCG levels at 7 weeks pregnant were 80,372. A study said: you are more likely to have twins if your hcg was 600 or higher at 16dpo. Molar pregnancies should be treated immediately by a doctor. HCG level should rise by at least 60% in 48 hours, or rapidly increasing hCG levels can be a good sign but not accurate as well, also the molar pregnancy can be mistaken too. The effect of the weight loss can be attributed entirely to such a low supply of calories (it is recommended for a normal adult to consume around 20002500 calories per day), while hCG injections can lead to many undesired side effects including depression, irritability, fatigue, edemas, swelling of the men's breasts, and the formation of blood clots that can block blood vessels, potentially leading to heart attacks or strokes. Abdominal cramps could mean that I was experiencing a dangerous complication, or that my uterus is expanding. However, you may learn your hCG levels if your provider orders a blood test to confirm your pregnancy or as part of a screening test. Outside pregnancy, a high hCG level may be a sign of a health condition, such as cancer or liver disease. What is the hCG level for twins at 4 weeks? The levels shouldn't permanently exceed the range, though . This is because when a miscarriage occurs, the body stops all production of hCG. The most popular hCG pregnancy test for at-home use is the one requiring a sample of the womans urine. The normal hCG levels for twins is 30% to 50% higher than in single pregnancy- somewhere around 200 to 1750 mIU/ml. Necessary cookies are absolutely essential for the website to function properly. They continue to rise rapidly during the first four weeks of pregnancy, typically doubling every two to three days. This will be measured in mIU/ml. Mine was 12,500 at 5 weeks and only one :). Dr. Lang says hCG usually reaches 90100,000 mIU/mL. The presence of a hormone known as hCG or human chorionic gonadotropin is an early confirmatory sign of pregnancy, and its . The advantage of a hCG blood tests is their ability to measuring the change of hCG concentration in time. In a complete molar pregnancy, the emerging placenta grows and produces hCG, however there is no embryo. High hCG levels may also indicate preeclampsia, a pregnancy-linked condition that involves swelling and a sudden rise in blood pressure. Lee, J. Your post will be hidden and deleted by moderators. With each passing day, increasing amounts of the hormone are detectable in the pregnant mother's system. In a normal pregnancy, hCG will begin to rise rapidly once successful implantation has occurred. The main downside of testing for hCG regularly at your doctors office is that it can be both time-consuming and expensive. This finding may only indicate that there could be a health issue to investigate. We link primary sources including studies, scientific references, and statistics within each article and also list them in the resources section at the bottom of our articles. What is the latest research on the form of cancer Jimmy Carter has? The first method is at home with a urine test (also known as a standard pregnancy test) and the second method is at the doctors office with a blood serum test. I couldnt have predicted this, especially as a FTM, but I feel blessed! It regulates the production of other hormones, such as progesterone and estrogen, until the placenta develops and assumes that role. You will also learn the story of the hCG pregnancy test and why taking the hCG diet is a bad idea. Baby will come when its ready. However, the only . Please specify a reason for deleting this reply from the community. Dr. Lang also adds that "sometimes an unrecognized vanishing twin can affect the rise or fall of hCG levels in early pregnancy and confuse the picture of an otherwise normal pregnancy.". The placenta then takes over the production of hCG once it is formed, and it then continues to produce hCG throughout pregnancy. (2014). Is Cosrx AHA BHA toner good for sensitive skin? Gestational trophoblastic disease (GTD). As your pregnancy develops, the increase slows down significantly. This is why abnormally high hCG levels alone are not enough to confirm a twin pregnancy. However, instead of receiving a yes or no answer as you would with a urine test, you will instead receive an exact measurement of what your hCG concentration level is. At 4 weeks 2 days, my beta was 600. . MedlinePlus: HCG blood test quantitative, Human Chorionic Gonadotropin (hCG) Levels Explained. Upon giving a urine sample, this type of hCG pregnancy test can let you know if your hCG levels are elevated enough to be considered pregnant. See the fetuses development at 4 weeks pregnancy. Levels of hCG are measured in milli-international units per milliliter (mIU/ml). The normal hCG levels for twins is 30% to 50% higher than in single pregnancy- somewhere around 200 to 1750 mIU/ml. hCG levels chart: What are normal hCG levels by week? What is the hCG level at 3 weeks pregnant? Ultrasound findings are much more accurate at diagnosing pregnancy viability after 5-6 weeks . The role of brain natriuretic peptide in maintaining myometrial quiescence during pregnancy. Get creative pregnancy announcement ideas in the video below! hCG level at 4 weeks with twins For better calculation: in standard 28 days cycle 4 weeks LMP corresponding to 2 weeks Post Ovulation or 14 Days past ovulation. What should your hCG level be with twins at 5 weeks? You can be between 4 and 8 weeks pregnant. Consult your healthcare provider to determine your final due date. In women carrying a single child, hCG may reach over 200,000 mIU/ml. However, expected ranges may vary somewhat from one testing laboratory to another. The views expressed in community are solely the opinions of participants, and do not reflect those of What to Expect. Extremely high levels of hCG can indicate a multiple pregnancy (for example, twins). All of these over-the-counter pregnancy tests work a little differently, so check the instructions in or on the box. the most helpful and trustworthy pregnancy and parenting information, Your due date was miscalculated. This cookie is set by GDPR Cookie Consent plugin. Betz, D., & Fane, K. (2020). For more information on twin or multiple pregnancies, check out our recent article hCG Levels & Twins: Understanding a Pregnancy with Multiples. The hCG hormone plays an important role in your pregnancy, and the changing levels of this hormone are just one of many transformations your body will experience as your baby develops. What Causes Abdominal Pain During Pregnancy? While there is a wide variation in hCG levels, researchers have identified ranges of hCG typical of most pregnancies, based on the number of weeks from the last menstrual period. Throughout pregnancy, doctors may also test hCG levels as a way to monitor the health of a pregnancy. The first blood test for hCG typically provides your doctor with a baseline. Once an egg is fertilized and implanted in the uterus, hCG is detectable in the blood after seven days. hCG levels in blood (mIU/ml) Men and non-pregnant women <5. ( + HCG Chart to Test for Multiple Pregnancies). Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. A negative result can be frustrating if you are trying to conceive which is why its important to wait at least 12-14 days after your estimated date of conception before taking a urine pregnancy test. Often called the "pregnancy hormone," HCG supports fetal growth and development. However, there is still strong evidence in favor of the idea that hCG levels are typically higher in twin pregnancies. Lower than average hCG levels in some cases can indicate an ectopic pregnancy or miscarriage. That's because there's a wide range in what is considered "normal" hCG levels, and as long as hCG rises as expected, the pregnancy is probably healthy. Common Fertility Treatment Drugs to Help Women Get Pregnant. We use cookie to improve your experience. If youre not quite familiar with the role that hCG plays in pregnancy, here is a brief overview to get you up to speed. In a partial molar pregnancy, an embryo does exist however it has severe birth defects. Low levels of hCG may be detected in your blood around 8 to 11 days after conception. Some women simply have higher levels. Thanks ladies! Q: Low Ferritin 7 tired the whole day, any advice? Until week 6 of pregnancy, doubling time may slow down to every three to four days. Testing the level of hCG in the blood can also help a doctor identify certain underlying health conditions, including some cancers, and check how effective cancer treatment is. That being said, its important to remember that hCG levels can vary widely among women. Plus, not everyone who is pregnant with more than one embryo will even have increased hCG numbers. Luteinizing hormone and human chorionic gonadotropin: Distinguishing unique physiologic roles. Some women have almost no measurable hCG, while others have readings of more than 400 milli-international units per milliliter (mIU/mL). Each developing baby secretes some amount of hCG, which doubles in the case of twins. When might a doctor suggest pelvic rest during pregnancy? On average, the hCG level at four weeks of pregnancy, is around 10,000 mIU/ml 5. The cookie is used to store the user consent for the cookies in the category "Performance". Well also follow up with some guidance on how to test for hCG either at home or at your doctors office. Keep in mind that hCG levels increase over time, so at-home tests are more accurate as your pregnancy progresses. This precise information is the primary benefit of a blood test compared to a urine test, as it gives you insight into what your exact hCG levels were at the time of your test. If your hCG levels don't go up during early pregnancy or if they start to decline, this could signal you've had or are about to have a miscarriage. Doctors sometimes prescribe hCG to combat the symptoms of conditions such as hypogonadism, in which the testes do not produce enough testosterone, sperm, or both. Testing for hCG can be done using one of the two following methods. The answer isn't clear-cut, but we've broken down what you need to know about hCG levels with twins. Human Chorionic Gonadotropin Levels. My hCG level was on the lower end for someone 4 to 5 weeks along, but it was still within the ridiculously large "normal" range of 5 (the low end) at 4 weeks to 7,340 (the high end) for 5 weeks. HCG is often the first indicator of pregnancy. Levels of human chorionic gonadoptropin, or hCG, measure the amount of the hormone produced by the placenta. That's because hCG levels vary greatly between every person and every pregnancy, and there's a wide range of normal levels. Treatment depends on the mass of cells and whether it is cancerous or benign. I found out today that my hCG levels were 122,041. However, a higher-than-normal level of hCG may be a sign that youre having twins or triplets! You can still have a successful multiple pregnancy even if your hCG levels measure within the normal range. By testing for hCG regularly, these couples can gain critical insight into whether or not their hCG levels are rising at the right pace. In the tables below: women who are having a multiple pregnancy, twins pregnancy or more it is common for their hCG levels to be 30-50% higher than those with a singleton pregnancy. I know you are looking forward to your new bundles of joy!!!. Get the real-time accuracy Mira has to offer and reach your fertility goals. It regulates the production of other hormones, such as progesterone and estrogen, until the placenta develops and assumes that role. In other people, high levels of hCG sometimes indicate an underlying health condition, possibly one that affects fertility. Analytical cookies are used to understand how visitors interact with the website. While pregnant with twins, your hCG levels can be on the higher end of the standard hCG range. Other symptoms of miscarriage include abdominal pain, back pain, abnormal spotting and bleeding, fluid or tissue passing from the vagina, and loss of pregnancy symptoms. This means that both men and non-pregnant women have detectable amounts of hCG in their bodies (usually below 5mIU/ml). https://www.ucsfhealth.org/medical-tests/hcg-blood-test---quantitative [Accessed January 2022]. For more information, see our. We use cookie to improve your experience. Sometimes, above-average levels of hCG indicate a higher chance of Down syndrome. My number definitely sounds well within normal now! During these early weeks of pregnancy, you may not show any outward signs of being pregnant and you may not even suspect that youre pregnant! What should hCG levels be at four weeks of pregnancy? If you are carrying twins or multiples, your hCG levels will also increase rapidly during the first few weeks of pregnancy and peak around week 10 just like in a singleton pregnancy. 1997-2023 BabyCenter, LLC, a Ziff Davis company. (2014). Finally, we will provide you with an hCG level chart that will help you interpret your results. At 4w6d mine was 5431 and at 5w1d they were ~12000. But opting out of some of these cookies may affect your browsing experience. Because hCG can be detected in blood much sooner than it can be detected in urine, beta hCG tests can be taken as early as one week after your estimated conception date. Must calculate the doubling rate, more than 60% with ultrasound approved, could be twins. These cookies will be stored in your browser only with your consent. These effects ensure that pregnancy may develop physiologically without any problems. 2005-2023Everyday Health, Inc., a Ziff Davis company. It could still be a healthy pregnancy. Can Alcohol Affect a Pregnancy Test? During pregnancy, low levels of hCG are not always a cause for concern. Asked for Female, 24 Years 1250 Views v Dr. Neha Vashisth Obstetrician | Jaipur Get a sonography . 5 It is measured by obtaining a blood sample. Molar pregnancies, ectopic pregnancies, and miscarriages are all potential risk factors in cases where hCG levels are too high or too low. According to a 2018 study, hCG levels were significantly decreased in pregnant women who went on to experience pregnancy loss. 3 weeks 5 Days pregnant. You need to input the following three values into the hCG calculator: Once you have provided our hCG levels calculator with these values, it will automatically calculate all of the remaining numbers. The only difference is that the base level for a twin pregnancy will likely be much higher. Hi,I just hit six weeks last friday. At-home urine tests require higher levels of hCG to detect a pregnancy, typically at least 20 mIU/mL. We strive to provide you with a high quality community experience. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. think twice before sharing personal details, foster a friendly and supportive environment, remove fake accounts, spam and misinformation, delete posts that violate our community guidelines, reviewed by our medical review board and team of experts. However, its always a good idea to follow up with your healthcare provider as a precaution, regardless of any questions or concerns you have. Mine were the same at fine weeks. Learn more about what a pregnancy loss might look like. This type of hCG testing is known as the standard pregnancy test. https://www.ncbi.nlm.nih.gov/books/NBK532950/ [Accessed January 2022], Kaiser Permanente. Plus, blood tests need less of the hCG hormone to detect a pregnancy, as explained below: Blood tests. The higher your levels of hCG are initially, the higher they will be throughout your entire pregnancy. But when analyzing hCG test results, they pay attention to trends instead of numbers. An hCG level of less than 5 mIU/mL is considered negative for pregnancy, and anything above 25 mIU/mL is considered positive for pregnancy. And it is, after all, the hormone that many at-home pregnancy tests are designed to detect! (2019). Q: Can prostatitis misunderstood as soft lesion |do we need to go for biopsy? It doesn't mean that high hCG levels always indicate twins twins can only be confirmed with an ultrasound examination. A positive home test result is almost certainly correct, but a negative result is less reliable. It's called the "pregnancy hormone" because it's only produced during pregnancy, and it's the hormone responsible for making that positive sign show up on your pregnancy test. If your HCG levels are higher than average, you could be having twins. However, if you already have your results, you can calculate doubling time (DT) on your own. Levels of hCG can vary widely from one pregnant woman to another. Singleton. Lower- or higher-than-normal levels of the hCG hormone during your pregnancy might not indicate anything unusual. 100-10,000. Your doctor or midwife may monitor your levels to rule out health problems like molar pregnancy and placental tumors. At 5 weeks (I'm now 9 weeks 4 days) my HCG levels were almost 10,000. The idea of adding hCG injections to a diet plan was created by Albert T. W. Simeons after his research on pregnant women in India. Specifically, twin and multiple pregnancies can have 30% to 50% higher hCG levels than singleton pregnancies at the same point in early pregnancy. At 4 weeks pregnant, your hCG levels can range from about 10 to 708 mIU/mL. Is there any chances for having twin pregnancy? of pregnancy, concentrations of hCG in the blood and urine usually double every 24 hours. To remove the mass, the doctor may recommend dilation and curettage, which involves sucking away the mass with a surgical vacuum and gently scraping away any remaining abnormal cells.Or, a doctor may recommend a hysterectomy, to remove the uterus. At 18 DPO the serum hCG for singletons is normally between about 70 and 750 mIU/mL, and for twins, it can be between 200 and about 1750 mIU/ml. hCG levels in our blood change during the first trimester, rising rapidly. This is typically anywhere over 5-25 MIU/ml. HCG is detectable in urine at around 12 to 14 days after conception, when you're around 4 weeks pregnant. This means that in the first four to six weeks after implantation, you can expect hCG to double every two days. Last Update: Jan 03, 2023 . The infamous pregnancy hormone, human chorionic gonadotropin (hCG for short), is one of the most important hormones required for a successful pregnancy. Normal levels of hCG are typically undetectable in females who are not pregnant and in males. For the first four weeks of pregnancy, hCG will typically double every 48 to 72 hours. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Q: Why Hemoglobin, Platelets, and White blood cells are all increased? The hormone can be detected through a blood test about 11 days after conception. The levels eventually peak around 8 to 10 weeks after implantation, and then plateau as the pregnancy progresses. Home pregnancy tests often work by detecting hCG in your urine. You can expect the following doubling times: Do you remember your due date? hCG, or human Chorionic Gonadotropin, is a hormone produced by the placenta during pregnancy. Its primary role is to stimulate the corpus luteum to increase the production of progesterone, which in turn helps to: Initially, hCG is produced by the cells that surround a developing embryo. Karen Miles is a writer and an expert on pregnancy and parenting who has contributed to BabyCenter for more than 20 years. In contrast, the beta hCG is a quantitative test, meaning it reveals not just if the hormone is present in the blood, but in exactly what amounts. The results can help your provider confirm your pregnancy and determine how far along you are. Its role specifically is to help the corpus luteum increase the production of progesterone, which is crucial to the growth of the uterus and the uterine lining. Family Education is part of the Sandbox Learning family of educational reference sites for parents, teachers, and students. 3500-115,000. . A normal pregnancy may have low hCG levels and result in a perfectly healthy baby. Once your test results are back from the lab, your doctor will then be able to let you know what your hCG concentration level is, measured in mIU/ml. In rare cases, it can also be a sign of a molar pregnancy or down syndrome. (2018). Therefore, a home-pregnancy test thats taken too early might not detect low levels of hCG and could produce a false negative, meaning the result is negative when youre actually pregnant. This naturally occurring hormone is present in males and females. Another benefit of beta hCG testing is timing. Congrats!! My HCG levels were 39,011. I just had my blood drawn and my hcg levels were 26.. im about 11 to 12 dpo. Human chorionic gonadotropin (hCG) is a type of hormone that is produced as soon as implantation begins. hCG levels fluctuate during the second trimester of pregnancy. HCG is a hormone produced in your body during pregnancy by the cells that will form your placenta. She's passionate about bringing up-to-date, useful information to parents so they can make good decisions for their families. thanks I didnt know that but makes complete sense! Normal amount of serum hCG levels by weeks 3 weeks: 5-50 mIU/cc 4 weeks: 4-426 mIU/cc 5 weeks: 19-7,340 mIU/cc 6 weeks: 1,080-56,500 mIU/cc 7 - 8 weeks: 7,650-229,000 mIU/cc 9 . If you feel a message or content violates these standards and would like to request its removal please submit the following information and our moderating team will respond shortly. haha okay WOW! But is that true? It is important to note that at-home tests can only confirm whether or not your hCG levels are above the threshold for pregnancy. Note that once you confirm, this action cannot be undone. The majority of ectopic pregnancies take place in a uterine tube, however, they can also occur in the ovaries or the abdomen. The Best Surrogacy Agencies to Help You Achieve Parenthood, The Link Between HCG Levels and Miscarriage, Low Amniotic Fluid: Causes, Symptoms, Diagnosis, and Treatment. If youre wondering when to take an at-home pregnancy test, try one of the following timelines: You might try taking a pregnancy test about three to four weeks after the first day of your last period, as this is when the levels of hCG in your urine will have increased enough to be detectable. The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff. HCG is detectable in urine at around 12 to 14 days after conception. It can already be detected in the blood eight days after the fertilization of the egg, and ten days for urine. Although hormonal changes can make you feel a little off from time to time during your pregnancy, try to take these as reassurance that your baby is growing, and youre getting closer and closer to the day you finally get to meet them. Under 9 weeks: 455 - 142,584 mIU/ml. You could wait until around the time you miss your next period, which could be the initial clue that you may be pregnant anyway! Doctor thought it was rather low and asked me to come back Thursday morning to see if it's doubled. Human chorionic gonadotropin, or hCG for short, is often referred to as the pregnancy hormone because its present in large quantities during pregnancy. After an egg is fertilized and implants in the uterus, the cells that will eventually form the placenta start making hCG. If a woman has high hCG levels, it could point to twins or triplets, though only a scan can confirm this. Thats just the reassurance I needed! Preeclampsia is a condition that can occur during pregnancy when a woman's blood pressure rises sharply. Because it begins to rise rapidly in early pregnancy, testing for the presence of hCG in urine is one of the primary ways to determine whether or not an individual is pregnant. Ready to share your pregnancy news with friends and family? Speak with your doctor immediately if you are experiencing abnormal vaginal bleeding, lower back pain, or pelvic pain as these are common early symptoms of an ectopic pregnancy. It takes about 2 weeks for your hCG levels to be high enough to be detected in your urine using a home pregnancy test. (The most common way to calculate your pregnancy due date is from the first day of your last menstrual period, which is typically two weeks before conception.) If hCG does not rise at the right pace, this could potentially be a cause for concern. 4 weeks: 5 - 426 mIU/ml. Best food forward: Are algae the future of sustainable nutrition? At-home tests are great for confirming that you are in fact pregnant. If you are 4 weeks pregnant with twins, you may see two gestational sacs by an ultrasonography, may have higher hCG levels, etc. hCG levels at 6 weeks: 1,080-56,500 mIU/ml, hCG levels at 7-8 weeks: 7,650-229,000 mIU/ml, hCG levels at 9-12 weeks: 25,700-288,000 mIU/ml, hCG levels at 13-16 weeks: 13,300-254,000 mIU/ml, hCG levels at 17-24 weeks: 4,060-165,400 mIU/ml, hCG levels at 25-40 weeks: 3,640-117,000 mIU/ml.
