A. Estrogen from growing follicle stimulates regrowth of endometrium.
B. Progesterone from corpus luteum  stimulates  secretion of endometrial glands.
C. Corpus luteum depends on LH - 
Negative feedback by E and P inhibits LH and CL degenerates.
Menstrual cycle
A
B
C
Preparation
of the Uterus
Hypothalamus/pituitary
Ovary
Uterus
Estrogen
Progesterone
CL
GnRH
*
*
*