Menstruation Flashcards
1
Q
What happens to hormones when the corpus outrun begins to degrade
A
Progesterone and estrogen lower (to prepare menstruation)
2
Q
What are the 4 phases of a 28 day cycle
A
1-5 Flow phase
6-13 follicular
14 Ovulation
15-28 lutéal phase
3
Q
What happens when low progesterone
A
Lining sheds
4
Q
What does HCG do
A
Prevents destruction of corpus luteum so progesterone and estrogen keep being secreted
5
Q
What surge happens before ovulation
A
LH
6
Q
What happens during the flow phase
A
Shedding of endometrium
Estrogen and progesterone are low
FSH increases
7
Q
What happens during follicular phase
A
Triggered by FSH
Follicle cell develops in ovary
Estrogen is secreated
LH surges
8
Q
What happens during the luteal phase
A
Begins at ovulation
LH stimulates development of corpus luteum
