A member asked:

What stage of intra-uterine life do kidneys start to become functional?

A doctor has provided 1 answer
Dr. James Lin answered

About 32 to 36 weeks: Fetal forming kidneys begins around 3 weeks of gestation. Around 32 to 36 weeks of gestation, fetal kidneys become able to excrete urine to ureters to bladder to amniotic sac. So, they can survive afterward.

Answered 5/15/2014

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