Physiology of Pregnancy Flashcards
1
Q
What happens when the free-floating blastocyst adheres to the endometrial lining?
A
cords of trophoblastic cells begin to penetrate the endometrium
2
Q
When does the Blastocyst become buried in uterine lining?
A
by day 12
3
Q
What is the placenta derived from?
A
both trophoblast & decidual tissue
4
Q
The placenta & foetal heart are functional by when?
A
5th week of pregnancy
5
Q
What is this effect known as: Fetal Hb can carry more oxygen in low pCO2 than in high pCO2?
A
Bhor effect
6
Q
When does Human Chorionic Somatomammotropin
start being secreted?
A
after 5 weeks
7
Q
Which hormone allows of development of decidual cells?
A
progesterone
8
Q
What is an indicator of vitality of fetus?
A
estriol level
