Uterine Cycle: Nonpregnant Flashcards
(5 cards)
1
Q
What is true about estrogen and progesterone?
A
They also effect the endometrium
2
Q
What happens during days 1-5 of the cycle?
A
Estrogen and progesterone are low, endometrium disintegrates, and blood vessels rupture (menstrual phase)
3
Q
What happens during days 6-13 of the cycle?
A
Estrogen is high, ovarian follicle is growing, and the endometrium thickens (follicular phase)
4
Q
What happens during day 14 of the cycle?
A
Ovulation (ovulation phase)
5
Q
What happens during days 15-28 of the cycle?
A
Corpus luteum secretes high levels of progesterone, endometrium thickens, and low progesterone signals endometrium breakdown (luteal phase)
