Renal agenesis is associated with:
(A) Hydramnios (B) Anencephaly (C) Tracheo-oesophageal fistula (D) Oligohydramnios
(D) Fetal urine is the main contributor of Amniotic fluid beyond 20 weeks therefore. In case of Renal agenesis → decrease/no urine → oligohydramnios.