So that in the Latino population like ours, their incidence is between 7 to 17%. And while more risk factors are taken before pregnancy have greater risk of developing the disease, which due to the absence of maternal symptoms for diagnose it, must be sought in the deliberate in all patient pregnant with two or more risk factors mentioned above. . Diagnosis: Although risk factors are taken in about 50% of patients do not develop the disease, which is why they are designed screening aimed to capture the first among the general population and among patients with more factors Second risk to individuals carrying the disease. The first of these tests is called screening test, which is designed to be made to any pregnant woman, regardless of gestational age, the person does not need to fast, requires no preparation and is done by determining two doses of glucose, before and after ingestion of 50 g oral glucose diluted in water. The test is considered positive if blood glucose is greater than or equal to 130 mg 1 hr after glucose ingestion .. If the test is positive is due to perform a confirmatory test by conducting a Curve Oral Glucose Tolerance, which involves the determination of venous blood glucose levels in April, the first of three subsequent fasting and every hour after ingestion of 100 grams of glucose, Eeste examination was performed after week 24 of pregnancy and requires special preparation before, by eating a diet rich in carbohydrates before (at least 150g), three days before the study.