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progesterone second trimester
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progesterone second trimester

Hi,

I am currently 16 weeks pregnant and have been getting my progesterone checked every week since concieving. It has never really went above 49 and currently it is 38.5. I am on prometrium at bedtime. I started out with 400mg suppsitories in morning and bedtime as well as prometrium at bedtime and now I am just on the prometrium. Is this an ok level? I feel like it should be higher since the placenta should have kicked in by now. I have had numerous ultrasounds and all looks good. Thank you for your help.
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603463_tn?1220630455
Hi!
Normal progesterone levels in the second trimester range from 17-147 ng/ml according to one source I found.  Often progesterone supplements are discontinued in the second trimester and blood testing is also discontinued.  You are correct that the placenta has assumed the function of producing progesterone at this stage.
Your chances of miscarriage are much lower once you reach the second trimester and beyond, so you can relax a bit at this point -- or worry about something else, as the case may be!  ;)
Good luck!
Dr B
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