Study Figure (IMAGE) University of Oxford Caption Study figure: Study figure: Sex-specific (panel a) and age-of-onset-dependent effects (panel b) for the association between disease diagnoses and childlessness in 71,524 full-sister and 77,622 full-brother pairs who were discordant on childlessness. Credit Nature Usage Restrictions Nature License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.