[Diabetes and pregnancy].

Diabetes mellitus during pregnancy could result in severe or fatal complications to mother or the unborn product, like polyhydramnios, preeclampsia, abortion, neonatal asphyxia, macrosomia, stillbirth, and others, therefore is very important the early detection and treatment of diabetes. Gestacional Diabetes Mellitus (GDM) is the carbohydrate intolerance of variable severity first recognized during pregnancy. The screening test consist of 50 g of oral glucose and a plasma glucose measurement at one hour, regardless of the time of the last meal, and this may do in all pregnancies between 24 and 28 weeks of gestation. If plasma glucose level above 140 mg/dl results, a oral glucose tolerance test with 100 g must be done. This is the GDM diagnostic test. The risk factors for gestacional diabetes (older than 30 years of age, obesity, arterial hypertension, glucosury, previous GDM, family history of diabetes, family history of macrosomia) identify only 50% of pregnancies with gestacional diabetes, therefore, is necessary to screen all pregnancies who become pregnant, a strict control before pregnant is indispensable, with aim to slow congenital malformations probability and another complications. Gestacional diabetes prevalence in hispanic women in the U.S.A. is 12.3 percent. Diabetes mellitus prevalence in Mexico is about 2-6 percent. The goal of management of diabetes during pregnancy is the maintainance of fasting plasma glucose 105 mg/dl and 120 mg/dl two hours after meals. Treatment consist in diabetes education, diet with caloric needs calculation, exercise, and occasionally insulin. Is necessary the prenatal monitoring, the supervision of delivery or cesarean metabolic changes, and the postnatal monitoring of the mother and product.