THEORY- Menstrual cycle

Corpus luteum.

Degenerating corpus luteum.

Developing follicles.

Endometrium of uterus

Estrogen.

Follicular phase.

FSH.

GnRH.

Hypothalamus.

LH.

Literal phase

Menses (1-5)

Menses.

Ovary.

Ovulation.

Pituitary gland (mini)

Pituitary gland.

Progesterone.

Proliferative phase.

Secretory phase

Spiral artery.

Spiral gland

Vein.