In the 24 hours regime of 80 pregnant unipars women aged 19-45 in a gestation of < 20 weeks without complication, monitored in Hung Vuong Hospital, the average content of Ca of 326g was quantified. Calcium was supplied by milk, in the women calcium supplied group, the mean content of calcium was 422gr, versus 219 gram daily in no calci supplied group. Mean caloric intake was 1.624  613Kcal. Mean protein, carbohydrate and lipid intake were 60  28, 269  94 and 34  26 gram daily respectively. A half of subject number has < 60g protein daily in the diet and 35% among them had a non-protein calories