Specialized prenatal care and maternal and infant outcomes in twin pregnancy.

Objective: This study was undertaken to evaluate the effect of a prenatal nutrition and education program on twin pregnancy, neonatal, and early childhood outcomes.

Study Design: This prospective intervention study of women who participated in a specialized program (Program Pregnancies) versus nonparticipants included twice-monthly visits, dietary prescription of 3000 to 4000 kcal per day, multimineral supplementation, and patient education.

Results: Program Pregnancies were associated with improved pregnancy outcomes (preeclampsia, adjusted odds ratio [AOR] 0.