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A 43-year-old member asked:

i'm 36 weeks pregnant with fetal bilateral hydronephrosis, do ihave to undergo a c-section asap?

2 doctor answers3 doctors weighed in
Dr. Brian Golden
Urology 21 years experience
See Pedi Urologist: Bilat hydronephrosis can indicate several different problems. You should involve a pediatric urologist promptly. In the male fetus, this can indicate posterior urethral valves which needs to be addressed immediately upon delivery. It could also indicate bilateral vesico-ureteral reflux or obstruction where the kidneys drain into the ureters (upj-obstruction) either way, see peds uro stat.
Dr. George Klauber
Specializes in Pediatric Urology
CS most likely NO: Most babies with prenatally diagnosed bilateral hydronephrosis can undergo vaginal delivery. Hydronephrotic fetal kidneys do not burst at vaginal delivery, nor do they enlarge baby's abdomen too much. Hope you have/will see a pediatric urologist asap who willwork together with OB dr. Baby best delivered at tertiary care if hydronephrosis severe & requires early intervention. Induction > c-section.

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Last updated May 28, 2016
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