Renal Changes in Pregnancy Flashcards
What are the changes to the shape and size of the kidneys during pregnancy?
No change to number of nephrons or histology appearance
2cm increase in size
30% in renal volume
Hydroureter and hydronephrosis (more common on right side)
What are the changes to renal function during pregnancy?
Increased renal blood flow
Increased glomerular filtration (40%)
Increased clearance of urea and creatinine
What are the changes to protein excretion during pregnancy?
Urine protein excretion increases in the third trimester
At how many weeks gestation is foetal urine the major contributor to amniotic fluid volume?
18 weeks gestation
What level of urinary protein excretion indicates a significant level of proteinuria?
> 0.3g/24 hours