Mild renal pyelectasis in the second trimester: determination of cut-off levels for postnatal referral.


OBJECTIVE To establish guidelines for postnatal referral of fetuses presenting with mild pyelectasis in the second trimester of pregnancy. METHODS In a retrospective study, 87 fetuses with a renal pelvis anteroposterior (RPAP) diameter of > or = 4 mm and < or = 10 mm before 28 weeks of gestation were included. All patients had a third-trimester scan and… (More)


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