Physiology in Pregnancy Flashcards
1
Q
How do the breasts change during pregnancy?
A
Increased size and vascularity Increased pigmentation Secondary areola appears Montgomery tubercles appear Colostrum can be expressed from the end of the third month
2
Q
By how much does the circulating blood volume increase in pregnancy compared to a non-pregnant person?
A
50-70%
3
Q
What happens to the systemic vascular resistance in pregnancy?
A
Decreases (maximal at 20-32 weeks)
4
Q
What happens to stroke volume, heart rate, and (as a result) cardiac output in pregnancy?
A
All increase
5
Q
What happens to cardiac output in the supine position in pregnancy?
A
25% reduction