Maternal Physiology Flashcards
1
Q
Which immune cell rises and which declines during pregnancy?
A
Th2 (regulatory) increases ad Th1 (cytotoxic) decreases. Caused by progesterone.
2
Q
What happens to tidal volume during pregnancy?
A
Increases by 30-40%
3
Q
What happens to minute ventilation during pregnancy?
A
Increases by 40-50%
4
Q
What hormone acts on the liver to release more angiotensinogen?
A
Oestrogen
5
Q
What does increased activation of the RAAS system cause?
A
Peripheral odema
6
Q
What happens to GFR during pregnancy?
A
Increases by 50%
7
Q
What happens to serum creatinine and urea during pregnancy?
A
Decrease by 25%
8
Q
What is pre-eclampsia?
A
Hypertension and Proteinuria (lots of risk factors)
9
Q
What is thought to be the cause of pre-eclampsia?
A
Shallow invasion of spiral arteries into endometrium
