Associations between embryo grading and congenital malformations in IVF/ICSI pregnancies

Research question Does the quality of transferred embryos have an impact on the rate of congenital malformations in IVF/intracytoplasmic sperm injection (ICSI)-conceived babies? Design Retrospective cohort study involving 6637 pregnancies of ≥20 weeks’ gestation from women undergoing embryo transfer with a single Day 5 embryo at a private multisite IVF clinic between 2005 and 2015. Embryos were classified as good quality (n = 5537) or poor...