Peak level of plasma progesterone in the luteal phase :
Serum values of Progesterone : Follicular Phase: < 1 ng/ml Midluteal phase: 5-15 ng/ml (day 22nd of menstrual cycle) Reference: Clinical Endocrinologic Gynecology and Infeility, Eighth edition; Chapter 6
1ng/ml
10ng/ml
15ng/ml
30ng/ml
Reproductive physiology and hormones in females