Pat Young asks what progesterone levels would be during pregnancy. In
"Progesterone, the multiple roles of a remarkable hormone", p 6, (1993) John
R Lee, MD says ".. the ovarian production of progesterone rapidly rises from
2-3 mg per day to an average of 22 mg per day, peak production being as high
as 30 mg per day, a week or so after ovulation. After 10 or 12 days, if
fertilization does not occur, ovarian production of progesterone falls
damatically.... During pregnancy, the production of progesterone is taken
over by the placenta which secretes an ever-increasing supply, reaching
300-400mg per day during the third trimester." The injections for
fertility, however, will they contain progesterone, or a progestin, and if
so, which one?
Pamela, Zimbabwe
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