Lecture15: Endocrinology Of Pregnancy

Question 1

What happens if the corpus luteum is removed after 7 weeks of pregnancy?

Answer 1

Immediate abortion

Question 2

Progesterone inhibits Oxytocin receptor expression how?

Answer 2

Via maintenance of Uterine Myometrium

Question 3

Which hormone is tested in a pregnancy test?

Answer 3

HCG

Question 4

What does HPL do?

Answer 4

Stimulate breast development during pregnancy and is related to growth hormone and prolactin

Question 5

HPL is responsible for decreased insultin sensitivity and decreased utilization of glucose? True or not?

Answer 5

Yes

Question 6

Very Late into the pregnancy, the placenta secretes hormone…?

Answer 6

CRH

Question 7

What does CRH do?

Answer 7

It signals the end of pregnancy and start of labour

Question 8

During labor, what contracts to push the baby out?

Answer 8

Uterine Myometrium

Question 9

During the First two trimesters of gestation, the uterus is QUIET because?

Answer 9

Progesterone inhibitory effect

Question 10

What commands the Myoepithelial cells to contact and push milk out?

Answer 10

Oxytocin

Question 11

How can labor be induced artificially in hospitals?

Answer 11

Administration of oxytocin

Question 12

High levels of Oestrogen increases the oxytocin receptors for Myometrial contraction?

Answer 12

Yes

Question 13

During labor, the birth canal is loosened by which hormone produced by the Corpus Luteum?

Answer 13

Relaxin

Question 14

What is the major hormone of lactation?

Answer 14

Prolactin

Question 15

Prolactin inhibits…?

Answer 15

Ovulation