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Doctor insights on: Conception Pregnancy Test Quantitative Hcg

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I tested positive for pregnancy. A quantitative hCG test at 3w6d since LMP showed a level of 40. 5 days later my hCG was 120. Is this increase too low?

I tested positive for pregnancy. A quantitative hCG test at 3w6d since LMP showed a level of 40. 5 days later my hCG was 120. Is this increase too low?

Wide variation: There is wide variation in HCG levels in normal pregnancies. Your levels are within normal limits. See this site for more info. http://americanpregnancy.org/while-pregnant/hcg-levels/ ...Read more

Dr. Lawrence Kessler
53 doctors shared insights

Quantitative Hcg (Definition)

A qualitative pregnancy test tells you either yes or no. It can be by blood or urine. A quantitative HCG measures the exact amount of the pregnancy hormone that is present in the blood test and is useful in a few ways. A number that doubles every 48 hours means a normal pregnancy - less may mean a tubal pregnancy. The value may also give an indication of how far ...Read more


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My wife has just had a pregnancy test and has a HCG level of 7139 IU/L. Are you able to determine when conception was?

My wife has just had a pregnancy test and has a HCG level of 7139 IU/L. Are you able to determine when conception was?

Ultrasound: Sonograms are useful in estimating due date and conception date. Blood levels are not useful in date estimates ...Read more

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Done a clear blue pregnancy test 5days ago said positive with 2-3 weeks conception date.Done another this morning first sample now says1-2 weeks? Hcg

Done a clear blue pregnancy test 5days ago said positive with 2-3 weeks conception date.Done another this morning first sample now says1-2 weeks? Hcg

Biochemical Pregnanc: If the test was positive and now lower, it is likely you had a biochemical pregnancy. This may mean that the pregnancy was not normal and would not result in you having a baby. Your body eliminated the tissue. This happens more often than we realize. Still, if it happens to you on more than 2 occasions, it suggests that there may be something else going on and you should talk to your doctor. ...Read more

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If embryo isn't connected to maternal blood supply until 7days post conception, this would mean hCG isn't yet produced for a urine pregnancy test?

If embryo isn't connected to maternal blood supply until 7days post conception, this would mean hCG isn't yet produced for a urine pregnancy test?

No: The embryo can produce HCG as early as 5 days post fertilization but the amounts are so small and the maternal-fetal blood connections are so minimal that not even a blood test can pick it up, let along a urine pg test that is not positive until your HCG levels are 20 iu/ml or more. You should, however, be able to pick up HCG in a blood test as early as day 9 post ovulation but the levels are low. ...Read more

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I had a quantitative hcg test done on 1-7-16. It was 8. That same day I began spotting. I believed I was experiencing a miscarriage. Today is was13?

I had a quantitative hcg test done on 1-7-16. It was 8.  That same day I began spotting.  I believed I was experiencing a miscarriage.  Today is was13?

Need to repeat: Had you been pregnant with a healthy embryo, HCG level would have increased two fold over two days. It would be prudent to repeat the HCG levels. If you get abdominal pain, go to the emergency room of a hospital to rule out ectopic pregnancy. ...Read more

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I had a quantitative hCG test done and my results were <1. What does that mean? I had it done 3 weeks and 2 days after intercourse.

I had a quantitative hCG test done and my results were <1. What does that mean? I had it done 3 weeks and 2 days after intercourse.

U r NOT pregnant: This long after intercourse the ball of cells would have implanted in the uterine wall and have been pumping out ever increasing amounts of human chorionic gonadotrophin. The fact that the assay could not even detect even 1 unit implies that you have no functioning placenta growing - i.e. no pregnancy! ...Read more

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I was 5 days late on my period and took a quantitative blood pregnancy test and got 2, 951.3 hcg...What does this mean?

I was 5 days late on my period and took a quantitative blood pregnancy test and got 2, 951.3 hcg...What does this mean?

Pregnant: The HCG level is consistent with being pregnant. Please follow-up with your doctor to ensure you get ante-natal care for the sake of your and your baby's health. ...Read more

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At what point does a urine pregnancy test measure hCG of 25mlu?

At what point does a urine pregnancy test measure hCG of 25mlu?

Very early.: In normal pregnancy, HCG can be detected in blood in 7 days after fertilization of egg. It doubles every alternate day and reaches 100 mlu/ml at the first missed menstrual period. ...Read more

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Which line on a pregnancy test is due to hCG levels?

Which line on a pregnancy test is due to hCG levels?

Check the package: Insert. The line closer to the point where urine is applied is due to hcg. Please see this site for more information on this topic as different tests do read differently. http://www.mayoclinic.com/health/home-pregnancy-tests/pr00100. ...Read more

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Is a very faint line on a HCG pregnancy test CD25 postive?

Is a very faint line on a HCG pregnancy test CD25 postive?

A line is a line: a faint line is still a line, it is considered faintly positive I would repeat it in a few days to a week, and if it remains positive follow up with your doctor ...Read more

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How high do your hCG levels have to be to get positive on a pregnancy test?

How high do your hCG levels have to be to get positive on a pregnancy test?

Pregnancy test: Most pregnancy tests at the pharmacy are able to detect levels equivalent to a blood level of 20-25 miu/ml. This is very early in the process. Most patients won't have missed their menstrual cycles by the time the test is positive. ...Read more

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How long before HCG is strong enough to be detected in home pregnancy test?

How long before HCG is strong enough to be detected in home pregnancy test?

Missed Period: Usually ten to fourteen days after conception. The morning after the first day of a missed period is usually the most common time recommended for pregnancy testing. ...Read more

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Hello i had an hCG inj 5000 17 may 2014 .so when to perform home pregnancy test ?

Hello i had an hCG inj 5000 17 may 2014 .so when to perform home pregnancy test ?

Unclear questions: HCG injection will not result in pregnancy. In fact HCG injections are not good for any thing other than lightening your wallet. The injection you had in 2014, is no longer an issue. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more

Dr. Austina Cho
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


Dr. Stephen Sudler
482 doctors shared insights

Pregnancy Test (Definition)

A pregnancy test measures a hormone called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as ...Read more