Estrogens | Progesterone |
Estrogens are secreted by the theca interna of ovarian follicles. | Progesterone is mainly secreted by corpus luteum in non-pregnant women and in early months of pregnancy. |
The secretion of estrogens is stimulated by the follicle-stimulating hormone (FSH) of the anterior pituitary. | Luteotropic hormone (LTH) of anterior pituitary stimulates the secretion of progesterone. |
It stimulate secondary sex organs in females | It causes growth and functional changes in sex organs in non-pregnant female. |