1. Screening for gestational diabetes mellitus Screening should be performed to all pregnant women at 24-28 weeks of gestation. First-trimester screening should be performed on patients with risk factors.
10. 100g Oral glucose tolerance test (OGTT): Done for those with an abnormal screening result. plasma glucose is measured during fasting state then 100g glucose is administered and plasma glucose is measured after 1, 2 and 3 hours.