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Why is my hCG falling?

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A miscarriage is likely when the hCG levels are falling in early pregnancy.

A miscarriage is likely when the hCG levels are falling in early pregnancy.

Photo © A.D.A.M.
Question: Why is my hCG falling?
hCG is a hormone that is produced in pregnancy. Typically in early pregnancy your hCG levels will about double nearly every two to three days. This is a sign of a healthy pregnancy.
Answer: If you are having blood work done to test the levels of human chorionic gonadotropin (hCG), your practitioner will be looking at the rate of rise - how fast your hCG is rising over a specific period of time. If your hCG is falling or not rising quickly enough, you may be having a miscarriage.

If you are also experiencing other problems with your pregnancy like cramping or bleeding, it is almost always a sign of miscarriage. Your practitioner may have been looking specifically for this drop if you were having other symptoms, or you may have a history of miscarriage or medical complication that made looking at your hCG levels important.

Typically your practitioner will continue to draw your blood until the levels have returned to zero. If you have not had miscarriage symptoms, you may be sent home to await a miscarriage or you may be offered a dilation and curettage (D & C). There are very few reasons why the decision of which is best has to happen immediately. You have time to ask questions, wait and even decide later what you wish to do.

Source:

Obstetrics: Normal and Problem Pregnancies. Gabbe, S, Niebyl, J, Simpson, JL. Fifth Edition.

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