Secreted by pituitary gland, Initiates the growth and maturation of ovarian follicles, Stimulates follicle development in the ovaries
LH (Luteinizing Hormone)
Secreted by pituitary gland, Induces the release of a mature egg from the ovary (ovulation) and supports the formation of the corpus luteum, Triggers ovulation and promotes corpus luteum formation
Estrogen
Secreted by ovaries, Stimulates the thickening of the uterine lining (endometrium) during the menstrual cycle, contributes to secondary sexual characteristics and helps regulate the menstrual cycle, Promotes the growth and development of reproductive tissues
Progesterone
Secreted by ovaries (corpus luteum), Thickens the endometrium, maintains its readiness for implantation, and supports early pregnancy if fertilization occurs, inhibits uterine contractions and prepares the breasts for lactation, Prepares the uterus for implantation and maintains pregnancy
GnRH (Gonadotropin-Releasing Hormone)
Secreted by hypothalamus, Regulates the secretion of FSH and LH by stimulating their release from the anterior pituitary gland, Controls the release of FSH and LH from the pituitary gland
