Inhibin B

Luteal out-of-phase events decrease inhibin B in humans.

“the cycles with LOOP events exhibited lower luteal phase progesterone, higher early cycle follicle-stimulating hormone, and lower early cycle inhibin B.”

Humanscompared with typical ovulatory cyclesfemales

Atypical estradiol secretion and ovulation patterns caused by luteal out-of-phase (LOOP) events underlying irregular ovulatory menstrual cycles in the menopausal transition

Menopause (New York, N.Y.)·1 Jan 2009