A 32-year-old woman is noted to be at 34 weeks of gestation. The uterine size is less than her weeks of gestation. An ultrasound is performed which reveals oligohydramnios with an AFI of 2.1 cm. Which of the following agent is responsible for this condition
Angiotensin conveing enzyme (ACE) inhibitor Lithium exposure Phenytoin (Dilantin) Oral hypoglycemic agent