Major congenital anomalies in children born after frozen embryo transfer: a cohort study 1995−2006

: Pelkonen S, Hartikainen A-L, Ritvanen A, Koivunen R, Martikainen H, Gissler M, and Tiitinen A

: 2014

: Human Reproduction

: 29

: 7

: 1552

: 1557

: 6

: 0268-1161

DOI: https://doi.org/10.1093/humrep/deu088

STUDY QUESTION:

Is there a different risk for major congenital anomalies (CAs) in children born after frozen-thawed embryo transfer (FET) compared with children born after fresh embryo transfer (ET)?

SUMMARY ANSWER:

Children born after FET have a similar risk of developing major CAs as children born after fresh ET.