Asthma in 9-year-old children of subfertile couples is not associated with in vitro fertilization procedures

Conclusion: Neither ovarian hyperstimulation nor the in vitro culture procedure was associated with asthma and rhinitis at 9  years. IVF children had a similar prevalence of asthma compared with children conceived naturally by subfertile couples.Trial registration: ISRCTN76355836What is Known:•An increased risk for asthma has been observed in children born after in vitro fertilization at preschool and school age.•The association between IVF and asthma may be partly explained by parental subfertility.What is New:•IVF children do not have a higher prevalence of asthma than children of subfertile couples conceived naturally.•Ovarian hyperstimulation used in IVF is not associated with asthma in 9-year-old children of subfertile couples.
Source: European Journal of Pediatrics - Category: Pediatrics Source Type: research