选择性单新鲜囊胚移植与先冻存随后移植均可提高年轻女性体外受精活产率并降低双胎妊娠率

摘要

To determine the extent to which embryo selection by blastulation and elective single blastocyst transfer, supported by efficient cryostorage of spare embryos, can reduce multiple pregnancies and maintain or improve on the live birth rate from IVF. Design: Prospective, nonrandomized cohort study. Setting: Sydney IVF, a private clinic in Australia. Patient(s): In vitro fertilization patients aged 75% , permitting in this series a slight increase in the chance of taking home a baby.