Female Reproductive #2

Question 1

How is negative feedback to LH exerted in Luteal Phase?

Answer 1

⬆️Progesterone

Question 2

How is negative feedback to FSH exerted in LUTEAL PHASE?

Answer 2

INHIBIN B!!

Question 3

This part of the menstrual cycle is ALWAYS CONSTANT?

Answer 3

1. LUTEAL (15 days)

Question 4

Order of estrogen potency?

Answer 4

Estradiol > Estrone > Estriol

Question 5

Primary estrogen secreted by the ovarian follicule?

Answer 5

Estradiol

Question 6

Main estrogen converted peripheraly by aromatase and its the predominant estrogen in menopause?

Answer 6

Estrone

Question 7

Estrogen produced by the placenta from circulating androgens?

Answer 7

Estriol

Question 8

Main clinical signs of Polycystic Ovarian Syndrome ?

Answer 8

1. Infertility
2. Hirsutism
3. Obesity
4. Insulin resistance
5. Amenorrhea/Oligo

Question 9

Main hormones elevated in PCOS?

Answer 9

1. ⬆️LH

2. ⬆️DHEA

Question 10

In PCOS, why is FSH suppressed?

Answer 10

1. ⬆️Levels of estrone (weak estrogen) —> ⬇️FSH

Question 11

Mainly, why is there ⬆️Androgens in PCOS?

Answer 11

⬇️Aromatase activity —> ⬆️androgens and ⬇️estrogen

Question 12

How to differentiate hirsutism of Adrenal from ovarian origin?

Answer 12

1. Dexamethasone test—> ⬇️DHEA (Adrenal)

Question 13

When does pregnancy usually occur?

Answer 13

8-25 hours after ovulation

Question 14

When does implantation usually occur?

Answer 14

5-7 days after fertilization

Question 15

LH and hCG have similar activity, why?

Answer 15

They share same Beta-subunit