Does Estrogen Prevent Follicle Growth?

Does Estrogen Prevent Follicle Growth? Estrogens and inhibin B are both inhibitory factors for the secretion of FSH. Activin is a promotor of many actions of FSH in that it increases FSH secretion, promotes ovarian follicular development and inhibits androgen production. Does estrogen stimulate follicles? Estrogen is at a low point. Therefore, the pituitary secretes