Posted: July 20th, 2017

Plasma progesterone concentration in a nonpregnant female

Plasma progesterone concentration in a nonpregnant female
increases to maximum a few days postovulation, remains there for a few days, then
decreases to an initial low just before menstruation
remains fairly steady throughout the menstrual cycle
increases to a maximum during the menstrual follicular phase and decreases during
the luteal phase
increases to a maximum just before menstruation, remains steady during luteal phase,
and decreases during the follicular phase postovulation