As hormone dysregulation is central to many infertility diagnoses18,19, we conducted sex-specific GWAS meta-analyses of five reproductive hormones - follicle-stimulating hormone (FSH) (Nfemale=57,890, Nmale=6,095), luteinising hormone (LH) (Nfemale=47,986, Nmale=6,769), oestradiol (Nfemale=97,887, Nmale=39,165), progesterone (Nfemale=18,368), and total testosterone (Nfemale=246,862, Nmale=243,951) - collected at assessment centre visits or identified through EHRs, in six cohorts and publicly available summary statistics (Supp. This evidence concerns the gene BRD2 and Infertility.