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Background The incidence of twin pregnancies has increased. Nutritional care for twin pregnancies is important but there is a paucity of information for twin pregnancies. We analysed that nutrient intakes of singleton, twin pregnancies and pregnancy outcomes. Methods The subjective were 98 twin preg...

Background The incidence of twin pregnancies has increased. Nutritional care for twin pregnancies is important but there is a paucity of information for twin pregnancies. We analysed that nutrient intakes of singleton, twin pregnancies and pregnancy outcomes. Methods The subjective were 98 twin pregnant and 78 singleton pregnant women receiving prenatal care from Samsung Cheil Hospital. They were grouped by gestational age and pregnancy type : group Ⅰ(3~12 weeks), group Ⅱ(13~28 weeks), group Ⅲ(28~42 weeks). Dietary intakes of the pregnant women were estimated by 24 hour recall method. We investigated maternal serum concentration of cholesterol, protein, albumin and globulin. We correlated with maternal nutritional intakes, perinatal outcomes and newborn birth weights. Results The daily average energy intakes were not significantly different from 1826.8kcal(85.1% of KDRIs) of singleton pregnant women, 1836.5kcal(85.9% of KDRIs) of twin pregnant women. Folate, iron and calcium intakes of singleton and twin pregnant women were 243.0㎍/d : 257.1㎍/d, 13.2mg/d : 13.7mg/d, 628.8mg/d : 634.3mg/d, respectively. These nutrients intakes were not significantly different from two pregancy types, but levels of intakes were lower than those of KDRIs. Gestational age had a great influence on birth weight of singleton and twin (p<0.001). Conclusions There is a tendency to increase the risk of the birth of premature and shortening of gestational age in twin pregnancies. We suggest that systematic and different nutritional program for twin pregnancies are needed.

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