Gynaecology & Obstetrics A pregnant, diabetic female on oral hypoglycemics is shifted to insulin. All of the following are true regarding this, except: A Insulin does not cross placenta B During pregnancy insulin requirement increases and cannot be provided with sulphonylureas C Tolbutamide crosses placenta D Tolbutamide causes PIH 💡 Explanation A pregnant, diabetic female on oral hypoglycemics is shifted to insulin. All of the following are true regarding this, except: ✓ Correct Answer: D. Tolbutamide causes PIH