Physiology in pregnancy Flashcards
What happens to O2 demand during pregnancy?
20% increase
On which side does the urinary collecting system enlarge the most during pregnancy
Right
What happens to plasma volume during pregnancy?
Increases
How does CRP change during pregnancy?
CRP - Stays same
How much does circulating blood volume increase during 1st trimester?
50-70%
What happens to vascular resistance during pregnancy?
Decreases (max at 20-32 weeks)
What happens to stroke volume and cardiac output during pregnancy?
Both increase
What happens to HR during pregnancy?
Increased
What happens to cardiac output when lying down during pregnancy?
Lying results in a 25% reduction in cardiac output
What happens to minute ventilation during pregnancy?
40-50% increase
What happens to respiratory rate during pregnancy?
Increased
What happens to tidal volume during pregnancy?
Increased
What happens to functional residual capacity during pregnancy?
Decreased
What happens to PCO2 during pregnancy?
Decreased
What happens to renal plasma flow during pregnancy?
60-80% increase
What happens to GFR during pregnancy?
Increased
What happens to urea and creatinine levels during pregnancy?
Decreased
What happens to protein excretion rate during pregnancy?
Increased
What problem with urine might occur during pregnancy?
Microscopic haematuria
What happens to haemaglobin during pregnancy?
Decreases
What happens to platelet count during pregnancy?
Decreases
How do iron requirements change during pregnancy?
2-3 times increase
How do folate requirements change during pregnancy?
10-20 times increase
What happens to WCC during pregnancy?
Increases
