... including type and dose of fertility drugs (if any),date of conception or last menstrual period, the number of GS and embryospresent, and the date of delivery, birth weight, and type of delivery. ... PhDa,b,*aFertility Institute of New Orleans, 6020 Bullard Avenue, New Orleans, LA 70128, USAbSection of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Louisiana ... astwins and 7328 were born as triplets, quadruplets, and higher orders in the UnitedStates [1]. Of this number, OI without ART was estimated to be responsible for20% of twin births and 38% of triplet...