Unilateral and bilateral multicystic dysplastic kidneys in fetuses.

Presents both cases of bilateral multicystic dysplastic kidney (MCDK) and unilateral MCDK in fetuses. Sonographic findings; Development of Potter's syndrome with Potter IIA type kidneys in the case of bilateral MCDK; Importance of ascertaining if the MCDK is unilateral or bilateral to avoid an unnecessary caesarean section and unavoidable neonatal death.