mcp: contra and hrt

Question 1

Menarche usually occurs at age

Answer 1

12-13

Question 2

The average cycle length is

Answer 2

28 days

Question 3

3 phases of menstrual cycle

Answer 3

Follicular phase (10-14 days)
Ovulation (Release of egg)
Luteal phase (14 days)

Question 4

Follicular phase

Answer 4

• Follicle stimulating hormone (FSH) from pituitary develops follicles in ovary
• Follicles secrete estrogen
• Dominant follicle prevails over the rest
• Rise of [estrogen] causes FSH and luteinizing hormone (LH) surge

Question 5

Ovulation

Answer 5

• Release of oocyte from dominant follicle
• Remnant of follicle: corpeus luteum
• Oocyte travels from ovary to uterus along fallopian tubes

Question 6

Luteal phase

Answer 6

• Corpeus luteum secretes progesterone

- Endometrium thickens and prepares for implantation of oocyte

Question 7

Menses

Answer 7

Shedding of endometrial lining

Question 8

role of HPG axis in contraception

Answer 8

estrogen and progesterone levels were persistently elevated, inhibit FSH/LH, contin neg feedback, inhibits ovulation