HCG Levels In Early Pregnancy - A simple guide

So what exactly are your HCG levels in early pregnancy?

Human Chorionic Gonadotropin is produced in early pregnancy. It can be detected in a blood test around 8-11 days after your ovulation or it can be picked up in a regular urine pregnancy test on the day you are due your next period.

HCG is the hormone that is detected by a pregnancy test to give you your 'big fat positive'!

Your HCG levels are important because HCG is what maintains your corpus luteum. ‘What on earth is that?’ you might ask. Well, just a little bit of info that might be of interest:

When eggs are produced in your ovaries, they are made in a follicle. When an egg is released for fertilization you are left with an empty follicle. This is called a corpus luteum and this is what produces Progesterone in early pregnancy until the placenta takes over this job.

As you will see on my Progesterone In Pregnancy page, Progesterone is vital for keeping the fertilized egg safe in your womb. Therefore, HCG is vital to enable you to produce Progesterone from your corpus luteum.

Click here to go to the Progesterone In Pregnancy page

In most pregnancies, HCG levels double every 2-3 days. Very low levels of HCG can (but not always) indicate a miscalculated date of conception, and ectopic pregnancy or even a miscarriage. However, there are many perfectly healthy pregnancies with a lower than normal HCG level.

Very high levels of HCG can indicate a miscalculated date of conception, or a multiple pregnancy (twins or more, gulp!).

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