Cycles can become anovulatory due to prolonged use of oral contraceptives, depot shots, eating disorders, increased prolactin, polycystic ovary syndrome, hypothalamic dysfunction, luteal phase defects, or tumors of the pituitary gland adrenal gland or ovaries. High
testosterone, low progesterone,
and cystic ovaries can all affect
ovulation. Yes, your doctor can prescribe progesterone. Fertility drugs will not help unless your progesterone is high enough to carry pregnancy forward.