FSH -stimulate follicular growth
Estrogen - stimulates mitotic division of the cells in the lining of uterus , and helps to repair the broken tissues nd blood vessels . It also causes the thickening of the endometrium
LH - induces ovulation i.e. leads to the rupture of grafian follicle . It cause the cells of ruptured follicle to form corpus luteum .It also stimulates the corpus luteum to secrete estrogen nd progestron
progestron - maintains endometrium during pregnancy nd inhibiyts further release of FSH to prevent the development of new follicles ,.