Hormones and Ovarian Cycle Flashcards
1
Q
What are the two phases of the ovarian cycle?
A
follicular (1st half - egg matures) luteal phases (2nd half, corus luteum develops)
2
Q
What does the follicular phase end with?
A
ovulation
3
Q
What does the corpus luteum secrete?
A
progesterone
4
Q
What hormone stimulates development of follicles?
A
FSH
5
Q
What hormone stimulates follicle maturation, ovulation and development of the corpus luteum?
A
LH
6
Q
What do theca cells do?
A
theca cells produce androgen which is converted by the granulosa (aromatase) to oestradiol (thickens endometrium/thins cervical mucus)
7
Q
What does the LH surge in the ovarian cycle indicate?
A
ovulation
8
Q
When does estradiol peak?
A
before ovulation