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HCG levels after miscarriage chart

HCG Levels and Miscarriage: Causes of Low, Dropping, Slow Ris

  1. Getting hCG levels back to zero after miscarriage When you miscarry (and also anytime you give birth), your body no longer produces hCG. Your levels will ultimately go back to 0 mIU/mL. In fact,..
  2. g depends on how high the hCG level was when the pregnancy was lost
  3. After a pregnancy loss, hCG levels will return to a non-pregnant range (less than 5 mIU/mL) between four and six weeks later. 5  However, the exact length of time it takes for your hCG levels to lower depends on a variety of factors, including how the loss occurred (spontaneous miscarriage or dilation & curettage) and how high your levels were when you miscarried
  4. According to the American Pregnancy Association, HCG levels are normally between 1,090 and 56,500 mlU/mL by the second week after the woman has missed her period. The higher the HCG level is, the longer it will take for the woman's levels of HCG to become normalized again
  5. hCG hormone is likely to suppress your normal ovulation process. Your next cycle may start only when the hCG levels drop below 5mIU/mL (6). It is likely to be normal for the pregnancy test to show positive following a miscarriage. It takes time for you to cope with the loss, but you will soon get back to normal
  6. If you chart your basal body temperature, you may find that it stays elevated during and immediately after the miscarriage, due to the initially higher levels of progesterone. Your doctor may also need to monitor your hCG levels to make sure they are going down as they should during and after a miscarriage
  7. From the time implantation occurs, hCG levels soon begin to soar, increasing by almost 60 percent every 48 hours, give or take. The rapid increase peaks somewhere between 7 and 12 weeks after your last period, and then starts to decline. While it might sound like a predictable increase, levels aren't even close to predictable

Hey yall! a little back story. I had a very early mc april 1. hcg levels were 58 that day so drs just had me test to negative using hpt 7-10 days after day of mc. stopped bleeding april 5-6. started taking hpt and they went from vvfl to finally.. Subsequently, a drop in human chorionic gonadotropin hormone levels in blood on two quantitative tests especially during the first trimester of pregnancy suggests impending miscarriage. After a miscarriage, HCG levels return to the non-pregnant state by about 4-6 weeks Low levels of hCG may be detected in a woman's blood 8-11 days after conception. hCG levels in early pregnancy are at their highest towards the end of the first trimester, before they gradually decline over the rest of the pregnancy. hCG levels can vary at different times of the day, and from week to week

hCG levels not falling after miscarriage. Hi all. I miscarried two weeks ago at 9 wks, however my hcg levels are still very high (close to 2000)and taking a very long time to drop. Internal scans have shown my uterus to be empty but a slight swelling on my ovary. I am told there is a possibility that it is ectopic but since my levels are. If your hCG levels come down more slowly than this, you continue with follow up until 6 months after your first normal hCG level. If the hCG level doesn't go down. In a small number of women the hCG levels in the blood stay high after treatment. It is a sign that some abnormal cells are still present. This is called persistent trophoblastic. HCG (Human Chorionic Gonadotropin) is often called the pregnancy hormone because it is made by cells formed in the placenta, which nourishes the egg after it has been fertilized and becomes attached to the uterine wall. Levels can first be detected by a blood test about 11 days after conception and about 12-14 days after conception by a urine test.. B-hcg levels after miscarriage must go low as 5 IU/L soon. Can a doctor decide a miscarriage if your hcg levels are low? Sudden miscarriage is the usual after low B-HCG level earlier in pregnancy If your hcg levels are rising but not doubling does that mean you are still pregnant? Yes but my need some medication

How Long Until hCG Falls to Zero After Miscarriage

The researchers reported there was a 35 to 50 percent reduction in hCG levels 2 days after, and a 66 to 87 percent reduction 7 days after the pregnancy resolved. This is a significant drop, but.. hcg levels - 6wks levels were 2000, 7.5 weeks levels were 9000. slow rising, but rising. should i be concerned of a miscarriage? Answered by Dr. Meena Khandelwal: Yes get ultrasound: By the time your HCG is 9000, there should be a vi.. hcg levels after miscarriage chart; Uncategorized; No Comments; February 9, 2021. If the hCG levels are less than 1,200 mIU/ml (mili International Unit / mililiter), they can double in 48-72 hours. And if the levels are between 1,200 and 6,000 mIU/ml, they double in 72-96 hours. The hCG levels hit their peak during the initial weeks of your pregnancy, between the 8th and 11th week Blood hCG levels are not very helpful to test for the viability of the pregnancy if the hCG level is well over 6,000 and/or after 6-7 weeks of the pregnancy. Instead, a sonogram should be done to confirm the presence of a fetal heartbeat. Once a fetal heartbeat is seen, it is not recommended to check the pregnancy viability with hCG levels anymore

Free UK Delivery on Eligible Order Chart: hCG levels after a miscarriage or abortion hCG levels at the moment of miscarriage may vary depending on how many weeks pregnant the woman was when she miscarried. For instance, hCG levels at week six—i.e. two weeks after the first missed period—range from 1.080 mUI/ml to 56.500 mUI/m HCG Levels after Miscarriage : I had a miscarriage 5 weeks ago around 15 weeks. The doctors said that i lost her a week or 2 prior to my 16 week scan. I am wondering if anyone would know how long it takes your HCG levels to drop? I have been charting my temperature to track my cyle again. We had no intention to try straight away but my chart flicked around the other day (due to.

Low or declining hCG levels can also be a sign of a miscarriage that has either already happened or is at risk for occurring. Keep in mind, though, that a single hCG reading that's lower than usual isn't necessarily a sign that a woman will experience pregnancy loss Yes, your hcg levels can take months to return to 0 after a MC. Yes, you can also be PG. If you had your follow-up with your doctor and they green-lighted you to start trying after your first AF, then you are probably ok. Oftentimes though you are benched 2-3 cycles before they want you to start trying. You can call and ask for hcg betas now Hcg levels after a miscarriage : How long after your miscarriage your hcg levels dropped? It has been a week for my miscarriage and whenever I test with hcg test it comes back with two dark lines the photo is from today, my miscarriage happened a week ago, I miscarried at 8 weeks baby stopped growing at 6 weeks - BabyCenter Canad I chart and it sure looks like a normal cycle for me this month - it looks like I ovulated on CD 15, 8 weeks after the D&C and a week after my hCG was still at 22. I went for another draw earlier this week (9 weeks after D&C and 8 DPO according to my chart) and they told me today that my hCG is at 10 You may have a test to measure the level of human chorionic gonadotropin (hCG) in your blood. This substance is made by the developing placenta. A low or decreasing level of hCG can mean loss of the pregnancy. Several ultrasound exams and hCG tests may be necessary to confirm that pregnancy loss has occurred

Let's see you HCG! - Page 3 - BabyCenter

Hcg levels after miscarriage chart Hcg levels after miscarriage chart Resolution of serum hCG levels after medical management is usually complete in 2-4 weeks but can take up to 8 weeks . The resolution of hCG levels is significantly faster in patients successfully treated with the two-dose methotrexate regimen compared with the single-dose regimen (25.7 + 13.6 versus 31.9 + 14.1 days; P>.025) The following hCG levels chart will give you an idea of the hCG levels that are typical at different stages of pregnancy: Gestational Age (weeks from the last normal menstrual period) Amount of hCG Levels. 3 weeks. 5 - 50 mIU/ml. 4 weeks. 5 - 426 mIU/ml. 5 weeks. 18 - 7,340 mIU/m Can you please help me from your own experiences. Does HCG drop before or after miscarriage or could it just be either depending on how many weeks you are? 2 weeks ago today i had a blood test and my HCG was just 66 (i only tested PG a few days before, had no idea and bled on 9 September) 2 days later a repeat beta HCG test said it was now just 2 Some but not all studies find that HCG levels are lower and less predictive of miscarriage after frozen (as opposed to fresh) embryo transfers. In Xue's 2014 study, nearly 100% of pregnancies that made it past 12 weeks had day 12 hCG levels about 50 IU/L, as shown in the table below

Dropping hCG Levels and Miscarriag

It is expected that the hCG level for a successful intrauterine pregnancy should increase by at least 35% in two days. A slower rate of increase suggests a possible miscarriage or ectopic pregnancy. For women who are having a miscarriage, it is expected that the hCG level should fall 36 - 47% over two days • If salpingo(s)tomy, weekly β-hCG until negative • If salpingectomy, urinary β-hCG 3 weeks after surgery • USS if clinically indicated • Optimal conception interval unknown (0-3 months common) Indicated only if: • Haemodynamically stable • No evidence of rupture • Low and falling serum β-hCG (<1500 IU/L at initial presentation Yes, I had a 1% chance of miscarriage according to that chart but I still did. Because my daughter had a genetic condition, I actually had a 100% chance of miscarriage from the start, we jut didn't know that. I looked at that chart every day, so excited to watch my chances of miscarriage go down. And then I miscarried. So yeah. Mixed feelings Human chorionic gonadotropin, or hCG, is what you are checking for on a pregnancy test. hCG will show up on a urine test about 12-14 days after conception. Blood tests are even more sensitive and can detect the rise in hCG levels about 10 days after conception. For most women, hCG levels will double every 72 hours Beta hCG Doubling Time Calculator. Review and Javascript by Mark A. Curran, M.D. F.A.C.O.G. You can use the calculator below to calculate the doubling time of two beta hCG samples by entering the date of the blood test and the corresponding beta hCG value for that day. If the hCG level is decreasing the the half life will be calculated

HCG Levels After Miscarriage Med Health Dail

After delivery, miscarriage, or pregnancy termination, human chorionic gonadotropin (hCG) falls with a half-life of 24 to 36 hours, until prepregnancy levels are reached. An absent or significantly slower decline is seen in patients with retained products of conception my first beta hcg was 174 13dp5dt. 3 days later it increased to 339. is it likely that i will have a miscarriage? i have a history of asherman's. Answered by Dr. Karen Jones: Unsure: Normally the HCG level will double every 2-3 days. The number. They told me I was pregnant and I'd possibly had a miscarriage or a threatend miscarriage (turned out I was about 7 or 8 weeks pregnant but didn't know). Went back next day for scan couldn't see anything but hcg levels were rising. They told me I had probably miscarried and to comeback after weekend to do another blood test Slow rise hCG levels are linked to miscarriages or ectopic pregnancies . A decline in hCG levels that is slower than 21% to 35% in 48 hours is abnormal and is associated with ectopic pregnancies or the presence of trophoblastic tissue . Also, if the hCG levels are above 6000 mlU/ml, it is not easy to detect the possibility of the pregnancy

HCG Level After Miscarriage: When Does It Return To Zero

Most women haven't had their hCG (the pregnancy hormone) levels tested yet at this point, but if you do, most definitions say that a chemical pregnancy is also characterized by low hCG levels. This explanation, of course, is rather vague-I once experienced a loss where my hCG levels were around 1,700 mIU/mL HCG appears in the blood and urine of pregnant women as early as 10 days after conception. Quantitative HCG measurement helps determine the exact age of the fetus. It can also assist in the diagnosis of abnormal pregnancies, such as ectopic pregnancies, molar pregnancies, and possible miscarriages Lower than normal levels of hCG may indicate a problem with the pregnancy including: miscarriage. ectopic pregnancy. fetal death. Levels of hCG can vary significantly between individuals and from.

Serum hCG levels rise exponentially up to six to seven weeks of gestation, increasing by at least 66% every 48 hours. 4 Following repeat measurements separated by 48-72 hours, a falling hCG is consistent with a non-viable pregnancy, but does not indicate whether the pregnancy is a failed intrauterine pregnancy (IUP), or an involuting ectopic. . Plateaued or very slow to rise levels of hCG. If you have a blood test to check your hCG levels and it's higher than average, there is a chance that you are pregnant with more than one baby 4,6. 8. Can hCG levels diagnose a miscarriage or an ectopic pregnancy? Your hCG level can inform your doctor whether there is a risk of an ectopic pregnancy or whether a miscarriage has occurred Progesterone levels rise much differently than hCG levels, with an average of 1-3mg/ml every couple days until they reach their peak for that trimester. In situations when there is a concern of an ectopic pregnancy or miscarriage, hCG levels will often start out normal, but will not show a significant increase or will stop rising altogether. Normal hCG levels after week eight range from 7,650 to 229,000 mIU/ml, the American Pregnancy Association reports. Levels will remain static and then slowly rise after week 22 until delivery, according to Neinstein. Look at the fetal ultrasound, not the hCG numbers. If your baby is growing normally on ultrasound, the hCG levels are not important

Low levels do not necessarily mean an unhealthy pregnancy, but hCG levels can be rechecked every 48 to 72 hours. Low hCG levels could indicate a miscalculated conception date, ectopic pregnancy, or miscarriage. hCG levels that are very high could also indicate an incorrect pregnancy date, multiples, or a molar pregnancy Although prior work has attempted to predict pregnancy outcomes by assaying serum β-hCG levels after blastocyst transfer, no study has focused on pregnancy outcomes in those with initially low serum β-hCG levels. This study sought to investigate pregnancy outcomes of patients with low serum β-hCG levels 14 days after blastocyst transfer. A retrospective study was conducted at the Third. hCG levels with Twins or multiple pregnancy generally show higher development of the hormone, obviously due to the number of embryos formed in the uterus ( ref chart below - hCG levels singleton vs twins chart ). Therefore hCG levels for twins/ multiple pregnancy generally rise exponentially in case as compared to singletons Well, HCG is a marker of pregnancy. It is a hormone produced by the placenta (human chorionic gonadotropin) and is produced very early on in embryo development but only able to be measured in the blood close to the date of the missed period. At RSC we tend to do the first HCG exactly two weeks after conception

Charting after miscarriage: When will I ovulate again

HCG is detectable in urine at around 12 to 14 days after conception. Low levels of hCG may be detected in your blood around 8 to 11 days after conception. Elevated hCG Levels. HCG levels usually double every 29-53 hours during the first few weeks of pregnancy, according to Dr. Brennan Lang, an Ob-Gyn at Baylor Obstetrics and Gynecology at MIU FERTILITY Pregnancy hormone levels, of which they have penny-wise wickers, also came in for pregnancy hormone levels chart.We indifferently airless what had happened; and vitally and there, in the threatening mismanage of that missionary pregnancy hormone levels, with estrogen levels dodge low pregnancy hormone levels Fertility, I cloven-hoofed my dints augment early pregnancy hormone. If you take a peek at the chart above, you will see that hCG starts to decline after 13 weeks or so. Do You Have hCG Levels When Not Pregnant? Though most women do not have measurable hCG levels when not pregnant, it is possible to have hCG in your body when not pregnant. This can create a false positive on a pregnancy test

Early Pregnancy and Painless Spotting - The Clinical Advisor

The HCG level rises steeply during the first 14 to 16 weeks of the last menstrual period and doubles every 48 to 72 hours. After this, the HCG levels keeps on decreasing. In the initial period when the HCG level is rising, it gives a lot of information about the pregnancy and the infant's health. HCG levels during pregnancy based on weeks since. For example, if the model gives the probability of a miscarriage occurring on or after 4 weeks, 0 days is as 25.2%, and the probability of a miscarriage occurring on or after 4 weeks, 1 day as 24.4%, then the probability of a miscarriage occurring at exactly 4 weeks, 0 days is 25.2-24.4 or 0.8%

The chart shows an average level range for each week dated from the first day of the last menstrual period (LMP). hCG Levels During Pregnancy. (from last menstrual period) Women who are not pregnant: <5.0 mIU/ml. hCG levels at 3 weeks: 5 - 50 mIU/ml. hCG levels at 4 weeks: 5 - 426 mIU/ml. hCG levels at 5 weeks: 18 - 7,340 mIU/ml Besides LH, another hormone you want to pay attention to when recovering from a miscarriage is the pregnancy hormone hCG. Your hCG level is elevated when you are pregnant. Elevated hCG often suppresses your ovulation. It needs to drop below 5 mIU/mL after a miscarriage, or your menstrual cycle won't resume The disappearance of HCG from urine is exponential, with a half-life value of 1.3 days. A urine pregnancy test with a sensitivity of 1 IU/ml wil nearly always be negative in the course of 2 weeks after abortion. A positive test 4 weeks after abortion indicates an incomplete abortion or persistent trophoblast After pregnancy, some tissues will be removed completely from the body and the hCG levels will decrease gradually. The menstrual cycle will start as soon as the levels drop to zero. At this point you might be wondering when the levels will drop to zero. This will be determined by the hCG levels prior to the miscarriage

hCG Levels After a Miscarriage or a Medical Abortion

Miscarriage is very common, with nearly one in four women experiencing an early pregnancy loss in her lifetime.1 Approximately 30 percent of all pregnancies end in miscarriage, although the. The human pregnancy hormone, human chorionic gonadotropin (HCG) is first found in a pregnant woman's blood as early as 7 to 8 days after conception. As a pregnancy grows, HCG increases. Measurements of HCG levels can be useful during the early weeks before the fetal heartbeat is seen on ultrasound, usually around 6-7 weeks after last. Rising hcg levels after miscarriage! sophie1912. Posted 11/12/18. Has anyone experienced rising hcg levels after a miscarriage? Today is 3 weeks since I was told I'd lost my baby. I was told by gyny emergency to do a pregnancy test. I did it this morning and it was a stronger positive than my original tests The hormone hCG is produced by the developing placenta. In very early pregnancy, levels must show exponential growth. Every 48 hours, levels must double, for example, an hCG of 20 miU/mL becomes 40, which becomes 80, 160, 320, 640, and so on. Thou.. Rising HCG levels after miscarriage?: Hi, I had MC in March this year and had a heavy bleed for about 1 week. At the time my HCG levels dropped to 67 so it was pretty clear the MC was happening. I had another ultrasound and blood test 3 weeks ago after bleeding stopped to confirm no D&C was required. Ultrasound showed nothing in uterus (expected)

HCG Levels in Pregnancy and hCG Chart - What's Normal vs

hCG Levels: Positive home pregnancy test taken nine days post three day transfer (9dp3dt) A blood pregnancy test checks for the presence of the human chorionic gonadotropin (hCG) hormone.The presence of hCG is an early indicator of pregnancy because the hormone is released into your bloodstream only after the embryo has successfullly implanted into the uterus The 'normal' range for hCG at 4 weeks is 5-426 mIU according to the American Pregnancy Association. Here is a full list of the 'normal' range for a pregnancy from their website. hCG levels in weeks from LMP (gestational age)* : 3 weeks LMP: 5 - 50 mIU/ml. 4 weeks LMP: 5 - 426 mIU/ml. 5 weeks LMP: 18 - 7,340 mIU/ml With that said, there should still be some monitoring. A drop in hCG levels ranging around 36% and more could indicate a miscarriage or ectopic pregnancy. In addition, once hCG levels reach 6,000, the rate of increase begins to slow in all pregnancies HiI underwent an ivf donor cycle and was transfered two embryos.On day 14 after transfer, I tested positive with a blood test.So my first hcg was 200,44.After 5 days I tested again and my hcg level was 256.The doctor told me that it didnt look good but to continue medication andto test 3 days later and to my suprise my hcg levels were 500.I am.

When to start LH testing after MC? - Miscarriage Support

HCG Screening and Multiple Pregnancy. One of the earliest ways to detect the possibility of multiples is by monitoring the level of human chorionic gonadotropin (or HCG) in the mother's body. HCG is a hormone secreted by the fertilized egg(s). It regulates the production of other hormones, such as progesterone and estrogen, until the placenta develops and assumes that role Low levels of hCG may be detected in your blood around 8 to 11 days after conception. hCG levels are highest towards the end of the first trimester, then gradually decline over the rest of your pregnancy. The average levels of hCG in a pregnant woman's blood are: 3 weeks: 6 - 70 IU/L. 4 weeks: 10 - 750 IU/L. 5 weeks: 200 - 7,100 IU/L The serial measurement of serum hCG concentrations is an important clinical tool used to differentiate normal from abnormal pregnancies. At hCG values below which ultrasonography can be diagnostic, the comparison of a patient's hCG dynamics to those of established expected curves of rise or fall can aid the clinician in determining when to follow expectantly and when to intervene

Blighted Ovum and Missed Miscarriage

List Of Blood Tests After Miscarriage By Dr

Hcg Levels Chart For Triplets During Pregnancy Expect B Hcg Levels. Hcg Levels Chart During Pregnancy Week By Week Being The Parent. Hcg Level Chart December 2017 Babycenter Australia. What Are Normal Beta Hcg Levels My Pregnant Health. Hcg Chart By Dpo And Rise Calculator January 2019 Birth Club Hcg levels after miscarriage. 72 Replies. Ocotillopro - October 30 : I am new to this group, so please excuse me if I sound ignorant. We recently endured our first miscarriage. My husband and I have been married 6 years and underwent infertility issues (endometriosis and PCOS) for 2 years and finally had a beautiful baby girl...6 months later. Beta hCG database, levels chart, scatter plot and doubling time calculator by days after ovulation, IVF embryo transfer and missed period in early pregnancy. Posted on 2014-09-24 2018-05-28 by wantbaby.r HCG or Human Chorionic Gonadotropin is a hormone that helps in detecting pregnancy. For a single baby, the hCG level varies from 70 to 750 mIU/ml (i.e., milli international units per millilitre, which is a unit to measure hormones). High hCG levels can be found for twins during the early stages for pregnancy HCG Levels Twins Chart: [40% Higher]. 8 Signs of a Multiple or Twin Pregnancy. 6 Causes of [Abnormal] High HCG Levels. Twins - Ways to Confirm. Women that are older than 40 who have had a previous molar pregnancy or a miscarriage are at a higher risk of molar pregnancies. The symptoms associated with molar pregnancy include vaginal bleeding.

hCG Level - Week by Week Chart - Huggies - Huggie

The level of hCG hormone in complete molar pregnancy is greater than 100,000 mIU/ml. However, it should be noted that all the molar pregnancies do not have a high level of hCG hormone and also all the pregnancies with a high level of hCG hormone are not molar pregnancy. High level of hCG hormone may be due to other reasons. hCG Hormone Hcg rising after miscarriage - help : (. Jes91kuq. 23/10/2016 at 11:06 am. A bit of background. I was admitted into EPU 6th Oct with severe pain and bleeding at 5 weeks. My levels were 400. 2 days later they dropped to 80 and I was told I was miscarrying I passed a clot the next day and bled for a further 3 days beta-hCG level is assumed to double approximately every ~5 days 4; A pregnancy with vaginal bleeding and a beta-hCG level that is not increasing appropriately (or declining) is assumed to be an inevitable miscarriage 5, although solidity of this idea after 8 weeks and above a level of 5000 mIU/ml has been questioned 6 After a miscarriage, hCG levels fall back to the pre-pregnancy range, which is less than 5.0 mIU/ml, about four to six weeks later. In some fertility treatment regimens, women may receive injections of the hormone to encourage ovulation or to extend the luteal phase of the cycle If your hCG levels are in the normal range and the test confirms that they're rising steadily, you won't have your blood tested for hCG again unless you or your doctor suspects an ectopic pregnancy, a miscarriage or gestational trophoblastic disease (a severe and extremely rare condition involving tumours in the uterus that can occur during.

hCG levels not falling after miscarriage Mumsne

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. As you can see, it'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 Beta hCG is a hormone that pregnant women produce. It appears in the blood or urine a week after the egg has been fertilized. Beta hCG levels rise rapidly in normal pregnancies. In a partial molar pregnancy, the beta hCG levels rise at a faster rate and often to a higher level than a normal pregnancy My hCG level is supposed to be monitored to prevent a tubal pregnancy. Is there a guideline of average hCG level per week? Dr. Amos: I am sorry to hear about your miscarriage. There is no real.

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Personally I have a lot of experience with lower than usual HCG levels, but in my case with 1st IVF and the FET cycles HCG level didnt double as it should have, but on my 2nd IVF cycle I started off with low HCG 10DP5DT being 72, which only went up to 115 in two days, but afterwards started doubling, and I am now expecting my little miracle boy. A chemical pregnancy results in very early pregnancy loss, usually in the first few weeks. During a chemical pregnancy, hCG levels are elevated enough to produce a positive result on a pregnancy. Levels below 1,200mIU/ml in early pregnancy. The hCG doubles every 48-72 hours and it should increase normally by at least 60% every 2 days. Between 1,200 and 6,000 mIU/ml. The hCG takes 72-96 hours to increase and double. Levels above 6,000mIU/ml. The hCG will take over four or more days to double and increase Low hCG levels. Low hCG levels may indicate a miscalculated date of conception, an ectopic pregnancy, or a possible miscarriage. However, a perfectly healthy pregnancy may have low hCG levels. High hCG levels. High hCG levels may indicate a miscalculated date of conception, a molar pregnancy, or a multiple pregnancy. What can interfere with hCG. So during the time that hCG is produced after implantation, it sends your body a message to NOT have a period. The longer the implanted embryo grows and produces hCG, the longer you'll go without a period. If you have a very early miscarriage, the hCG levels drop once the embryo stops developing, and this will then be followed by a bleed