Use of Frozen Embryo Transfer During Fertility Treatment and Risk of Childhood Cancer

To the Editor Dr Hargreave and colleagues examined the association between fertility treatment and cancer risk in children. They found that the use of frozen embryo transfer was associated with a small increased risk of childhood cancer compared with children born to fertile women. We would like to raise an important technical consideration regarding the cryopreservation method.
Source: JAMA - Category: General Medicine Source Type: research