Early-Onset Oligohydramnios Complicated with Hypertension, Hyperthyroidism and Coexisting Elevated Urine Vanillylmandelic Acid of Unknown Origin, Mimicking a Pheochromocytoma
Objective: Oligohydramnios is associated with increased perinatal morbidity and mortality.It may be due to a variety of conditions, including rupture of membranes, fetal urinary tract abnormalities such as megacystis caused by posterior urethral valve, and prerenal abnormalities involving uteroplacental insufficiency possibly due to hypertension, a