HCG Levels in Early Pregnancy Chart

Your HCG levels in your pregnancy week by week indicate first of all if you are pregnant, and, as your pregnancy continues, how your pregnancy is progressing.

When you take your home pregnancy test, you results are dictated by the HCG levels found in your urine. HCG levels are noticeable about two weeks after conception. They are measured in milli-international units per milliliter (mIU/ml).

The following is a chart for average HCG levels in pregnancy week by week:

HCG levels in pregnancy week by week

Non-pregnant females average <5.0 mIU/ml, and postmenopausal females average <9.5 mIU/ml.

It is key to note that these HCG levels are the average. They are not set in stone levels which, if your HCG levels do not match up with, indicate you are having problems. Some women’s HCG levels are naturally much higher or lower.

What is truly important about your HCG levels is if they are doubling every two to three days. Normal pregnancies are usually indicated by doubling levels. Consequently, if your levels do not just match up with the chart but are still doubling, you have no reason to worry. Your body does not have to follow the average to be functioning properly.
If your HCG levels during your pregnancy are not doubling, it could mean a possible miscarriage, a blighted ovum, or an ectopic pregnancy. It could also simply mean an error in pregnancy dating.
As the hormone HCG are produced by the cells which make up the placenta, a lowering of your levels can indicate you may not have a baby forming. A blighted ovum is a fertilized egg which attaches to the uterine wall but does not develop. You may have high HCG levels at first, indicating you are pregnant, especially as the cells can form the pregnancy sac, but as the embryo is not fertilized it will fail to grow, and your HCG levels will drop.
When the embryo grows outside the uterus, it is diagnosed as an ectopic pregnancy. Almost all ectopic pregnancies occur in a fallopian tube, and are sometimes called tubal pregnancies.

On the other hand, your HCG levels could be high, which could indicate twins (or more!), an ectopic pregnancy, or Down’s syndrome.

Be sure to use the HCG levels in pregnancy chart above to see if your pregnancy is normal.

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