Female Reproductive Cycle and Placenta

Question 1

Female reproductive cycle

Answer 1

• repeats every 21-40 days

- ovarian and uterine

Question 2

Ovarian Cycle

Answer 2

-maturation of follicle, ovulation, corpus lutéine development and degeneration

Question 3

Uterine Cycle

Answer 3

-changes in endometrium:

> initial thickening of the endometrium, shedding of endometrium if pregnancy doesn’t occur

Question 4

Cycle

Answer 4

> FSH > mature follicle > produce estrogen > follicle bursts and eggs ovulate > corpus luteum > produces progesterone > either AP shuts off FSH and LH, or turns off ovulation

Question 5

Hormones produced from the placenta

Answer 5

• produces hormones that maintain pregnancy, others that help deliver the baby
• produces human chronic gonadotropin (hCG) with estrogen, progesterone, etc.
• human placental lactogen (hPL) prepares breasts for lactation
• relaxin relaxes pelvic ligaments and pubic symphysis for childbirth