What is specific action of FSH , LH ,estrogen and progesterone in menstrual cycle

LH-Helps in rupturing of graffian follicle.
Estrogen-Released by corpus leteum for maintainance of endometrium.
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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 ,.
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