Hormonal Changes During Pregnancy

Question 1

High b-hCG

Answer 1

Multiple gestations
Molar pregnancy
Tri 21
Inaccurate dates

Question 2

Low b-hCG

Answer 2

Ectopic pregnancy
Abortion
Inaccurate dates

Question 3

hPL

Answer 3

Similar to GH and prl
Rise throughout pregnancy
Antagonise insulin: increase the supply of glucose to fetus
Decreased level: abortion, IUGR

Question 4

Progesterone

Answer 4

7: placenta
Make endometrium ready for implantation, later in pregnancy: stabilise myometrium, prevent preterm labor ( suppress uterine contractions)
Prevents rejection of fetus; suppress T-lymphocyte production

Growth of lobules and alveoli in breasts

Question 5

Estogen

Answer 5

Estriol: produced by placenta
dependent in androgenic precursor produced by the fetal adrenal cortex

Growth of ducts, nipples and fat

Question 6

B-hCG

Answer 6

Produced by placental sincytiotrophoblast- maintains the corpus luteum during pregnancy
+ 9days post conception
, doubles every day until week 6, Peak 8-10 weeks.