“…The European Study of Assisted Reproduction Families compared egg donation, sperm donation, IVF, and adoptive families when children were aged 3–8 (Golombok, Murray, Brinsden, & Abdalla, ) and 12 years (Murray, MacCallum, & Golombok, ). The UK Longitudinal Study of Assisted Reproduction Families compared family functioning in egg donation, sperm donation, and natural conception families when children were aged 1, 2, 3, 7, 10, and 14 years (Golombok, Blake, Casey, Roman, & Jadva, ; Golombok, Ilioi, Blake, Roman, & Jadva, ; Golombok, Jadva, Lycett, Murray, & MacCallum, ; Golombok et al., , , ). Both studies found egg donation families to be functioning well in terms of quality of parenting, parents’ psychological health, and child adjustment, although both relied on parents’ interview data as a means of assessing parent–child relationship quality during early phases of the studies and included no observational assessments of parent–child interactions before age 7.…”