In lactational amenorrhoea, there is no ovulation or menstruation during the period of intense lactation following parturition, due to high level of protactin, which?
A. Inhibits the releases of gonadotropins
B. Inhibits the releases of estrogen and progesterone
C. Stimulate the release of FSH and LH
D. Stimualates the release of estrogen and progesterone.
