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The first trimester sees an average progesterone level of 9-47 ng/ml. Occasionally a doctor will find it necessary to test the womans progesterone levels although this is not frequently the case. Most doctors want to see a minimum of 10 ng/ml within the first few weeks of the pregnancy.

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โˆ™ 2008-11-14 20:50:17
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Q: What is the average progesterone levels during first trimester of pregnancy?
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What does it mean when Progesterone levels drop during first trimester from 20 in week 4 to 13 in week 5?

progesterone is necessary to sustain a pregnancy. The doctor can start you on progesterone suppositories to help sustain the pregnancy . good luck joymaker rn

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