Twins hcg levels 4 weeks

15 DPO (4) = hcg 476. 17 DPO (4+2) = hcg 1240. Thanks 🌈🌈🙏🏻 ️. comments. Best. Add a Comment. sad-nyuszi • 5 mo. ago. My levels were over 1700 at 4w0d! Now I'm almost 19w with one one healthy boy :)

In the first 4 weeks of a viable pregnancy, hCG levels generally double every 48 to 72 hours. After this, the hCG levels should grow more slowly doubling approximately every 96 hours...Low hcg levels 4 weeks 4 days. Early pregnancy signs and symptoms. Threatened Miscarriage, Low Hcg levels HELP! ... An aunt had twins, and my sister conceived with twins. So a fair few. I think at 4- weeks i was really tired but not as bad as i am now i was just a little sleepy at the end of the day, i am having to go to bed at around …That said, hCG levels vary from person to person and pregnancy to pregnancy, so hCG levels are not definitive to determine a twin pregnancy. Some people have high hCG levels and only give birth to one baby; others have exceptionally low hCG levels and give birth to multiples. If your doctor has been monitoring your hCG levels, talk to them ...Each woman may have slightly different twin pregnancy symptoms. Some common signs of a twin pregnancy include: More morning sickness. Nausea and vomiting can be worse in a twin pregnancy, thanks to higher levels of the hCG hormone circulating in your system. You may notice that it starts earlier, and lasts longer.Mar 28, 2016 · 4 week HCG Levels. a. aml2204. Mar 28, 2016 at 11:29 AM. Hi there! This month I took Gonal f injections and had 17, 15, 15, 14 and 13 follicles the day of trigger. I just received my first bets and it was 135 12 days past IUI. She said it would probably be around 270 on day 14 and that it was probably twins.

Mine at 5w5d was 70,871 with twins. So crazy high. I didn’t check but my first draws were 25,82, and 188 so not ridiculously high to start with around 4 weeks. Your levels seem completely normal so me they double about every 48 hours and yours is slightly above that.TRCA: Get the latest Twin Ridge Capital Acquisition stock price and detailed information including TRCA news, historical charts and realtime prices. Indices Commodities Currencies...Gas prices go down to March's level, providing relief to small businesses that have been dealing with unusually high prices at the pump. Average gasoline prices in the US have fall...If it doubles in under 96 hours you are still in with a chance. 48-72 hours for doubling is considered optimal I believe. Even if it's not doubling in 96 hours, this isn't necessarily a miscarriage, sometimes a vanishing twin can cause a lower number on a second reading that then is fine on the next test. Quote.4-5 weeks the HCG level is among 200-7000 5-6 weeks the HCG level is among 200-32,000 ... The hcg level chart for twins and molar pregnancy hcg level chart If the woman has a singleton baby the above chart will be a good indicator on the pregnancy age. To calculate beta hcg level chart for twins (multiples chart) and molar pregnancy …that’s normal! With my daughter my HCG was 1100 at 3+6 days by 4 weeks they were in the 6000. My HCG was super high with my daughter! This time at 4+5 it was 2991. I mean it could be twins even if your HCG was on the lower said it could be twins, there is no way to know without an ultrasound!Mine was 279 at 4 weeks 3 days. I had mine at 4w4d and it was 25 and at 4w6d it was 71. Thank you for sharing, that really helps. My HCG was 88 at 3wk 5 days, and I go back tomorrow to be sure it’s doubling.

At 4 weeks, normal levels should range between 5 and 426 mIU/mL. ... Twin development at week 4. ... (hCG) and progesterone levels confirmed with a blood test.Occidental Petroleum (OXY) shares could sink to levels not seen in 20 years based on its charts....OXY The time to invest in oil stocks has come and gone, Jim Cramer again told vie...Aug 2, 2019 at 4:42 PM. Hi all! I just had my first ultrasound and they didn’t see a baby or yolk sac in my uterus. At my calculations I should be 6 weeks and 3 days. My pregnancy test is still positive, I’m extremely fatigued and nauseous, and my HCG level was 15,500. They also looked at my tubes (to check for ectopic pregnancy), and they ...HCG levels rise quickly and exponentially, usually doubling every 2days 3,4 in the first weeks before reaching a steady level (plateau) around week 10; after which time they slowly decline. 4. What should hCG levels be at four weeks of pregnancy? On average, the hCG level at four weeks of pregnancy, is around 140 mIU/ml 5. However, the only way ...HCG Levels for Twins at 4 Weeks. By the 4-week mark, your hCG levels will have been doubling around every 48 to 72 hours and will normally continue to do so until you hit 6 weeks. Just know that at this very early stage in pregnancy, hCG levels will generally be quite low (in singleton or twin cases), and a rapid rise may not be detected until ...According to Mayo Medical Laboratories, the level of human chorionic gonadotropin will fall to half of its pregnancy concentration in the body within 24 to 36 hours of birth, misca...

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hCG (Human Chorionic Gonadotropin) is the “pregnancy hormone." It is detected soon after implantation and typically doubles every 72 hours. It reaches its peak by 8-11 weeks of pregnancy and levels off. An hCG level under 5 is considered negative. Between 5 and 25 is considered a low positive and can alert the provider to an abnormal ...What was everyone’s HCG at 4 weeks. I got my labs done 4 days after my missed period and it’s 4126. I’ve been sensing twins before I even say this number and…The ratios of AFP levels in twins to those in singletons were from 1.91 to 2.61, the ratios of free-β-hCG levels were from 1.79 to 2.64, and uE 3 levels were from 1.47 to 1.74 during 15–20 weeks of gestation. Xie et al also reported a similar conclusion. Notably, there were significant differences of 2-fold in several gestational weeks ...In 8195 pregnant women, total serum hCG levels were determined from blood samples drawn from the women at inclusion in the study (median 14.4 weeks; 95 % range 10.1–26.2). Women with a late termination of pregnancy (TOP) were excluded from the study population (n = 2). For population-based RR, and total hCG determinant analyses, women with ...At 3 weeks 5 days preggo my HCG level was 305 and I am having triplets! D. Dee002. @amb1029, ... Love that website! My beta with DD was 78 at 4 weeks and 350 with my twins. Altho I did have a friend with a beta over 400 and she just has one healthy baby girl. You really won't know until that scan so these may be the longest two weeks …What are the hCG levels for twins? The normal hCG levels for twins is 30% to 50% higher than in single pregnancy- somewhere around 200 to 1750 mIU/ml.If the hCG level is decreasing the the half life will be calculated. of pregnancy, concentrations of hCG in the blood and urine usually double every 24 hours.

A group of 590 women who, 4 to 5 weeks after their last menstrual period, were confirmed to be pregnant, as measured by the human chorionic gonadotropin (hCG) by radioreceptor assay. Nine of these women had serum hCG levels approximately twofold higher than the others and were suspected of having twin pregnancy.my hcg for 5 weeks 1 day was 12000. there are ranges but honestly everyone is different. and every pregnancy is different. it's not one size fits all. however they do say that high hcg could be indicative of twins.My beta HCG was 37,000 and they said the top range of normal for 4-5 weeks is approximately 7,500 for a singleton pregnancy. Could this really be a sign of twins? Are there any other reasons for such high HCG levels?At 4 weeks, the range is about 5 – 426 mIU/mL. By 6 weeks, levels might rise to between 1,080 – 56,500 mIU/mL. These broad ranges acknowledge that "normal" varies greatly from one individual to another. Elevated hCG levels may indicate several situations or conditions: Multiple pregnancies (twins or triplets). A miscalculated date of ...Apr 5, 2024 · What is a normal hCG level at 5 weeks? After implantation, pregnancy hormone levels should start to rapidly increase, doubling every couple days. hCG levels at 5 weeks should be about 19 to 7,340 mIU/mL. That’s a big increase from week 4! And it just keeps getting bigger. hCG levels at 6 weeks will increase to around 1,080 to 56,500 mIU/mL. 4.5 weeks and HCG Levels. myander6. Posted 09-16-10. ... Betabase.info can give you the extremely wide spectrum of varying HCG levels for singleton, twin and multiple pregnancies.In the first 4 weeks of a viable pregnancy, hCG levels generally double every 48 to 72 hours. After this, the hCG levels should grow more slowly doubling approximately every 96 hours...Nov 15, 2023 · The typical hCG level around four weeks of pregnancy is around 140 mIU/ml 5, so a high hCG level can be generally considered to mean you are pregnant. However, there are some very rare medical conditions that can cause high hCG levels. If you get a positive result on a pregnancy test and you haven’t had unprotected sex since your last ... 0. Jun 24, 2013. #1. I haven't seen the doc yet, just received a call from the nurse with my blood test results. She said my HCG levels are very low at 54. She said I'm only just 4 weeks and usually they range from 20-900 so I'm on the low end. I don't know what that means and I'm panicking that it means I'm going to miscarry.Hi! I just found out I’m pregnant a few weeks ago. I got my first faint line positive test at 8dpo. I went to my doctors last week to get my hcg levels drawn and it was at 332 at 4 weeks. In ordered to schedule my first appt my hcg has to be at least 2000. So I got tested again this week at 5 weeks and...

Twin Bump at 5 Weeks. At 5 weeks of a twin pregnancy, your bump will still not be a true bump, but there will definitely be some bloating. I know that I definitely felt like I was getting a bump, but it was invisible to the rest of the world. If it is a 2nd or 3rd pregnancy, you will likely get bigger faster as well.

Twin HCG Levels At 4 Weeks: My Numbers. My HCG level with my twins at 4 weeks (4+0) exactly was 300 and two days later at 4+2, it hadn’t quite doubled but had risen to 560.If it doubles in under 96 hours you are still in with a chance. 48-72 hours for doubling is considered optimal I believe. Even if it's not doubling in 96 hours, this isn't necessarily a miscarriage, sometimes a vanishing twin can cause a lower number on a second reading that then is fine on the next test. Quote.Nov 18, 2021 · Blood tests can also help diagnose a twin pregnancy. HCG levels may be higher than usual in early pregnancy if someone has twins. ... ultrasounds may be as often as every 4–6 weeks. If there are ... Mar 11, 2024 · The typical hCG level around four weeks of pregnancy is around 140 mIU/ml 5, so a high hCG level can be generally considered to mean you are pregnant. However, there are some very rare medical conditions that can cause high hCG levels. If you get a positive result on a pregnancy test and you haven’t had unprotected sex since your last ... Space simulation and analytics company Slingshot Aerospace has been awarded a $25.2 million, 39-month contract by the U.S. Space Force (USSF) to further develop and deliver two of ...The first test for hCG is basically used as a baseline. In the following tests, the doctors check for the patterns of change in hCG levels. Every 48 to 72 hours, throughout the first four weeks of a viable pregnancy, hCG levels typically double. The hCG levels should then increase more gradually, doubling around every 96 hours around the 6-week ...I had hcg levels of 10,000 at 5+1 and I’ve just seen my baby’s heartbeat at 7+1. All perfectly fine, had a bit of spotting but baby is healthy and measuring well. I hope the same goes for you, or maybe twins! With my last pregnancy, my hcg levels were over 25k at …A group of 590 women who, 4 to 5 weeks after their last menstrual period, were confirmed to be pregnant, as measured by the human chorionic gonadotropin (hCG) by radioreceptor assay. Nine of these women had serum hCG levels approximately twofold higher than the others and were suspected of having twin pregnancy.Mar 11, 2022 · Human Chorionic Gonadotropin. Human chorionic gonadotropin (hCG) is a hormone produced by the placenta during pregnancy. It helps thicken a person’s uterine lining to support a growing embryo and tells the body to stop menstruation. HCG levels rise after conception and continue to rise until about 10 weeks in pregnancy. 1103, 2406- 3 days between draws! I'm now 24+1 with healthy twin boys!! 774 at 4w4d and ~22500 at 5w4d. ultrasound at 7w4d showed twins, they are now 7m old. I was 1,104 at 4 weeks 1 day with my singleton. Didn’t do twin hcg until 6 weeks. We did a ivf, my first draw at 9dpt were 278 and 11 days 578.

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Progesterone levels also can have quite a variance at this stage of pregnancy. They can range from 9-47ng/ml in the first trimester, with an average of 12-20 ng/ml in the first 5-6 weeks of pregnancy. With both hCG levels and progesterone levels, it is not the single value that can predict a healthy pregnancy outcome.When low hCG levels are detected, it’s often because a pregnancy that was thought to be between 6 and 12 weeks is actually not that far along. An ultrasound and further hCG tests can be used to ...In Miscarriage Support. 4 weeks post MC I’m still bleeding.I was 8 weeks 3 days at day of MCHere are my recent HCG Levels :4/12 start of miscarriage4/19 HCG 54714/22 HCG 29704/25 HCG 23485/3 HCG 7065/10 HCG 180Yesterday I passed i don’t even know what it was but since... 18 hours ago | mommma007.Jun 11, 2022 ... What HCG Levels are Normal by Week + What do Abnormal HCG Levels Indicate? ... 5 weeks pregnant with twins signs and symptoms ... 4 Losses. Ryan ...This hCG levels chart shows typical hCG levels by week throughout pregnancy Advertisement 3 weeks LMP 5-50 mIU/mL 4 week LMP 5-456 mIU/mL 5 weeks LMP 18-7,340 mIU/mL 6 weeks LMP 1,080-56,500 mIU/mL 9 to 12 weeks LMP 25,700-288,000 mIU/mL 13 to 16 weeks LMP 13,300 to 254,000 mIU/mL 17 to 24 weeks LMP 4,060 to 165,400 mIU/mL 25 to 40 weeks LMP ...Hey guys, So with my daughter my hcg levels at 4 weeks 1 Day were at a 46. With this baby, my hcg levels were 187 at 4 weeks 0 Days and 447 at 4 weeks and 2 days. Can anyone who is expecting twins ...Pregnancy Week 40. Pregnancy Week 41. Pregnancy Week 42. On 11dpo my hcg was 31 and progesterone was 20.5; on 13 dpo my hcg was 90 and my progesterone was 34.1. Im 5 weeks exactly today now. I'm having somedull consistent pain in my lower right side and my doctor wants me to do an early scan to make sure everything is ok.However, home kits are available and can test hCG levels as early as 4 to 5 days after implantation. Enter the date of your first hCG test. So, if you were tested for hCG on March 10, 2017, you would choose or enter 10/03/2017. Next, enter the results from the beta hCG test into the IVF hCG calculator. Step 3.When you take a home pregnancy test, it's looking for hCG levels of at least 20 milli-international units per milliliter (mUI/mL), which most women have in their urine around weeks 4 or 5 in a singleton pregnancy. (A non-pregnant woman's hCG levels are less than 5 mIU/mL, as a comparison.)Let's get technical with this week's Crowdhacker. If you're a sysadmin or just a network enthusiast, you might know something about virtualization. But what's the difference betwee... ….

The only difference is that the base level for a twin pregnancy will likely be much higher. This means that in the first four to six weeks after implantation, you can expect hCG to double every two days. Until week 6 of pregnancy, doubling time may slow down to every three to four days. See more Progesterone levels also can have quite a variance at this stage of pregnancy. They can range from 9-47ng/ml in the first trimester, with an average of 12-20 ng/ml in the first 5-6 weeks of pregnancy. With both hCG levels and progesterone levels, it is not the single value that can predict a healthy pregnancy outcome. Hi! I just found out I’m pregnant a few weeks ago. I got my first faint line positive test at 8dpo. I went to my doctors last week to get my hcg levels drawn and it was at 332 at 4 weeks. In ordered to schedule my first appt my hcg has to be at least 2000. So I got tested again this week at 5 weeks and...Mine was 279 at 4 weeks 3 days. I had mine at 4w4d and it was 25 and at 4w6d it was 71. Thank you for sharing, that really helps. My HCG was 88 at 3wk 5 days, and I go back tomorrow to be sure it’s doubling.Mine at 5w5d was 70,871 with twins. So crazy high. I didn’t check but my first draws were 25,82, and 188 so not ridiculously high to start with around 4 weeks. Your levels seem completely normal so me they double about every 48 hours and yours is slightly above that.I have a questions for you twin moms who had their HCG levels (Ithink thats what its called) checked early in pregnancy. I just had my twins last week, but my sister just went through IUI and got pregnant. She is 4 weeks pregnant today and had her HCG levels checked. Her levels have tripled. her levels...Mar 11, 2024 · The typical hCG level around four weeks of pregnancy is around 140 mIU/ml 5, so a high hCG level can be generally considered to mean you are pregnant. However, there are some very rare medical conditions that can cause high hCG levels. If you get a positive result on a pregnancy test and you haven’t had unprotected sex since your last ... Jun 30, 2023 · 4 weeks pregnant with twins. By Kandis Lake. Twins in the womb: Fetal development month by month. ... HCG levels in pregnancy. Reviewed by Layan Alrahmani, M.D., ob ... Twins hcg levels 4 weeks, Apr 18, 2024 · The Hook Effect – also known as the high-dose hook effect or the prozone effect – occurs when hCG levels in the body are exceedingly high, typically above 500,000 mIU/mL. In cases of twin pregnancy at 4 weeks, hCG levels are often significantly higher than those in a single pregnancy, which can cause this phenomenon to take place. The Hook ... , 1103, 2406- 3 days between draws! I'm now 24+1 with healthy twin boys!! 774 at 4w4d and ~22500 at 5w4d. ultrasound at 7w4d showed twins, they are now 7m old. I was 1,104 at 4 weeks 1 day with my singleton. Didn’t do twin hcg until 6 weeks. We did a ivf, my first draw at 9dpt were 278 and 11 days 578., It takes around 2 weeks after conception for hCG to be detected in a hCG pregnancy test. Low levels of hCG may be detected in a woman’s blood 8-11 days after conception. Sometimes with multiples, there is a higher, early trend in hCG levels. Twin and multiple pregnancies may also have 30-50% higher hCG levels than for one baby., 2. ellieg222. • 3 yr. ago. Take a peak at the website betabase- it’s especially helpful if you know how many DPO you are :) I am now 36 weeks pregnant and these were my approximate DPO and HCG levels. 14dpo- 265 miu/ml - day period is due, very close to your 250 !! 21dpo- 4,917 miu/ml. 30 dpo - 33,350 miu/ml. 2., that’s normal! With my daughter my HCG was 1100 at 3+6 days by 4 weeks they were in the 6000. My HCG was super high with my daughter! This time at 4+5 it was 2991. I mean it could be twins even if your HCG was on the lower said it could be twins, there is no way to know without an ultrasound!, First IVF cycle on antagonist protocol (GonalF, Luveris) January 2013. Transferred two day-3 embryos, had severe OHSS, lost one twin between 7-13 weeks but was expecting one little one October 2013. Found out at 6 mos that our little one had died weeks earlier and had to induce and deliver stillborn, July 25, 2013., Two days later I was 1250. I think if you’re showing on a pregnancy test which starts monitoring at 25 just wait it out :) I wouldn’t stress it. My first HCG was 37, I hit four weeks today and it’s now at 86.8. The only thing that …, Twin and multiple gestation pregnancies are often associated with hCG …, Unlearn.AI, a startup developing 'digital twin' technology for clinical trial applications, has raised $60 million in a venture round led by Insight Partners. The idea of digital t..., At 4 weeks pregnant with twins you may not feel any changes in your body yet, but that doesn’t mean that nothing is going on. ... the more conclusive the test result will be. The levels of the pregnancy hormone hCG need to be high enough to be detected by pregnancy tests. The pregnancy hormone tells your ovaries to stop releasing eggs. It ..., Birth month group discussions. In week 4 of pregnancy, your body is beginning to form the placenta and amniotic sac. Symptoms like abdominal pressure and tender breasts may appear this week, and as the cluster of cells that will soon become your baby burrows into your uterine lining, you may also spot some implantation bleeding., Understanding the normal HCG readings for twins is an important part of being able to analyze the hcg levels chart for twins more accuratelyl Counting from the week of your last menstrual cycle, normal HCG levels for the third week will reflect at between 5 – 50 mlU/ml; while the sixth week will see that reading rise up to 1080 – 56500 mlU ..., Can you all post what your HCG was at 6 weeks (if you know) and if it’s twins/triplets! ️ ️. I didn't get bloods to check in week 6 but my HCG was over 1640 by 5 weeks and we have twins. It was tested around 2 weeks post IUI. They are both girls!! thank you! ️ ahhh! Come back here and tell me once you do ️., Studies suggest that vanishing twin syndrome occurs before the 12th week of pregnancy in around 36% of pregnancies with two fetuses, and in more than 50% of pregnancies with three or more fetuses. ... Low hCG levels in vanishing twin syndrome are usually present from the first days of implantation. It may be reassuring to a parent to …, Mar 27, 2024 · 13–16 weeks from LMP. 13,300–254,00 mIU/mL. 17–24 weeks from LMP. 4,060–165,400 mIU/mL. 25–40 weeks from LMP. 3,640–117,000 mIU/mL. Because every pregnancy is different, it's important ... , At 4-5 weeks, what were your HCG levels like before finding out you were having twins/multiple? Out of curiosity., The average hCG level for singleton is 1721, while average twins hCG value is 3446 miu/l. Although, you can’t expect twins just because your hCG Blood test result is above the average i.e. 3400 at 5 weeks LMP, while hCG 20000 or higher at 5 weeks have the highest chance of having twins., Two days later I was 1250. I think if you’re showing on a pregnancy test which starts monitoring at 25 just wait it out :) I wouldn’t stress it. My first HCG was 37, I hit four weeks today and it’s now at 86.8. The only thing that matters is that it’s rising and preferably doubling., I have a questions for you twin moms who had their HCG levels (Ithink thats what its called) checked early in pregnancy. I just had my twins last week, but my sister just went through IUI and got pregnant. She is 4 weeks pregnant today and had her HCG levels checked. Her levels have tripled. her levels..., According to About.com, a blood pregnancy test can detect the levels of hCG and show a positive pregnancy result approximately 8 to 10 days after conception. HCG stands for human c..., Fraternal twins run on the maternal side of your family. If your mother or grand mother or great grandmother had fraternal twins it's likely you could too. Identical twins are random. My hcg levels were at 19,000 at 3 weeks past ovulation. I am also scared I'm having twins. ( maternal grandmother is a twin)., Here were my levels with my twin pregnancy (currently 35 weeks): 4/29 (Sat): 1921 (4 weeks 4 days) 5/2 (Tues): 5687 (5 weeks 0 days) Your HCG level is really similar to what my first pregnancy was at that stage (a singleton who is now 5) but that doesn’t mean much. You could still be having twins. You just never know until that first …, hCG levels at 4 weeks: 5 – 426 mIU/ml: hCG levels at 5 weeks: 18 – 7,340 mIU/ml: ... If you are carrying twins, your hCG levels could be 30-50% higher. Molar pregnancy; if a molar pregnancy occurs, there’s a growing mass in the uterus but it won’t develop into a baby. The mass is known as a hydatidiform mole and produces high …, hCG levels at 4 weeks: 5 – 426 mIU/ml: hCG levels at 5 weeks: 18 – 7,340 mIU/ml: ... If you are carrying twins, your hCG levels could be 30-50% higher. Molar pregnancy; if a molar pregnancy occurs, there’s a growing mass in the uterus but it won’t develop into a baby. The mass is known as a hydatidiform mole and produces high …, Week of pregnancy. hCG levels in blood (mIU/ml) Men and non-pregnant women <5. 1 week. 5–50. 2 weeks. 50–500. 3 weeks. 100–10,000. 4 weeks. 1080–30,000. 6–8 weeks. 3500–115,000. ... While pregnant with twins, your hCG levels can be on the higher end of the standard hCG range. The levels shouldn't permanently exceed the …, Pregnancy Week 41. Pregnancy Week 42. Curious what your levels have been if your doctors are monitoring them for you and how far along everyone is.Here are my stats! Lol I’m definitely reading too much into how high they seem, but it’s all in good fun.9/13: 3679/15: 764 [208% rise]9/20: 5,798 [759% rise] (measuring 5 weeks + 4 days per US ..., It takes around 2 weeks after conception for hCG to be detected in a hCG pregnancy test. Low levels of hCG may be detected in a woman’s blood 8-11 days after conception. Sometimes with multiples, there is a higher, early trend in hCG levels. Twin and multiple pregnancies may also have 30-50% higher hCG levels than for one baby., Levels of hCG start to increase after implantation and rise every 39–53 hours in the first few weeks of pregnancy. With twin pregnancies, hCG levels can be 30% to 50% higher than those where ..., Experts have found a huge variation in hCG levels on even the first missed day of a woman's period. Some women have almost no measurable hCG, while others have readings of more than 400 milli-international units per milliliter (mIU/mL). And hCG levels with twins tend to be much higher than with singletons., Keep in mind that, if you want your hCG blood test results explained in more detail, your healthcare provider is the best person to ask. Pregnancy week. Range of hCG levels in milli-international units per milliliter (mIU/mL) 3 weeks. 5–72 mIU/mL. 4 weeks. 10–708 mIU/mL. 5 weeks. 217–8,245 mIU/mL., Your hCG levels peak about 8 to 10 weeks into the pregnancy, and then they slow down and level off, according to Brennan Lang, MD, FACOG, an OB-GYN at the Texas Children's Pavilion for Women., It takes around 2 weeks after conception for hCG to be detected in a hCG pregnancy test. Low levels of hCG may be detected in a woman’s blood 8-11 days after conception. Sometimes with multiples, there is a higher, early trend in hCG levels. Twin and multiple pregnancies may also have 30-50% higher hCG levels than for one baby., 4 weeks pregnant with twins. By Kandis Lake. Twins in the womb: Fetal development month by month. By Karen Miles. Track your pregnancy on our free #1 pregnancy & baby app. Sources. ... HCG levels in pregnancy. Reviewed by Layan Alrahmani, M.D., ob-gyn, MFM. 16 weeks pregnant with twins.