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When hcg goes down can it go back up?
My question is after miscarrying my hcg went down, last time I saw it last month it was 17. Well this was a month ago and a couple days ago the nurse told me to take a pregnancy test and it brightly came positive but I am bleeding. So my question is could it be from last pregnancy and tissue was left or would this be a new prenancy that I am misscarrying again. The doc is confused just like me. I was only a couple weeks pregnant last time and this time if I was would only be couple weeks also.
They did ultrasound last pregnancy and this time. and nothing was found.
3 Answers
- Anonymous2 decades agoFavorite Answer
hCG Level Information
Human Chorionic Ganadotropin (hCG) is only produced during pregnancy. It is the hormone that home pregnancy tests look for as well as blood tests at the doctor. It is produced when the fertilized egg implants in the uterus.
An hCG blood test at the doctor can detect a pregnancy between 8 and 10 days after fertilization. Any level over 5 is considered "pregnant." Keep in mind, however, that the normal miscarriage rate is very high at this point, still over 30%. Home pregnancy tests typically require 14 days, when your period would normally be due. The level for these tests ranges between 50 and 80. By this point, the normal miscarriage rate is down to 10% since the baby is clearly well implanted and churning out proper hormones.
The rate of hCG should usually double every 2-3 days. Keep in mind that if you have been given hCG shots as fertility treatment, it will throw off your reading and could even give you a false positive.
The numbers in the chart below are only a guideline, and are so broad as to be almost useless. They are here to give you a small measure of reassurance, although the only true way to know if your hCG level is rising appropriately is to take two tests about three days apart. The reason for the large range in the chart is to assume you may be as much as 7 days off on your ovulation, and to allow for larger numbers for pregnancies with more than one baby. In my own experience and with those women who have shared their numbers on the bulletin board, if you are rock-sure of your ovulation date, your number tends to be about 2/3 of the highest number for your week.
Week since last menstrual period began
Amount of hCG
in mIU/ml
3
5 - 50 (less than 5 means you are not pregnant)
4
5 - 426
5
19 - 7,340
6
1,080 - 56,500
7-8
7,650 - 229,000
9-12*
25,700 - 288,000
*You will likely see the hCG rates go DOWN after the first trimester, when it is no longer a factor in pregnancy or miscarriage because the placenta has taken over. At 9 weeks, however, your baby will be monitored by ultrasound rather than hCG levels.
Slow-rising hCG. Unfortunately, even if your levels are rising, the failure to double every few days is not a good sign. This type of pregnancy can go on for several weeks, but will almost always end in miscarriage. A single set of tests that do not show a doubling can still be fine. Usually another set will be ordered if you are low or borderline.
After having a miscarriage myself i know that if you take a pregnancy test within 8 weeks of miscarrying or giving birth a pregnancy test will show a false positive due to HCG still in your system.
A blood test will only prove if you are pregnant. But go to this site and it tells about miscarrying and using pregnancy tests after http://www.peeonastick.com/
Sorry for your loss
- Anonymous5 years ago
I am on my second pregnancy and no this has never happened with either of them. My levels have a hard time rising but they never went down. I am honestly not sure if the chances are good. I know that whenever levels go down it is not a good sign and your doctor knows best. I really hope that everything is ok, I have went through a miscarriage and didnt even know I was pregnant - it was still a hard thing to deal with. But that is a very possible reality. If that does happen you just have to remember that everything happens for a reason and for some reason God did not want that baby to be. I know it is hard, I am very sorry. On another note, I was told with my first child that I was more than likely having a tubal pregnancy based on HCG levels and my daughter is a very healthy and active little girl. I wish you the best and my prayers are with you. Good luck.