Searchable abstracts of presentations at key conferences in endocrinology

ea0104p189 | Reproductive Endocrinology | SFEIES24

Is there an association between daylight hours and serum testosterone levels in men?

Livingston Mark , Heald Adrian , Hackett Geoff , Ramachandran Harishnath , Ramachandran Sudarshan

Introduction: Studies assessing variability of serum testosterone levels associated with seasonal environmental factors have been contradictory. We assessed associations between the seasons and changes (δ) in seasonality indices and male serum total testosterone (δTT) variability.Methods: Data were collected in 144 men with paired serum TT samples (126 non-fasting/18 fasting) analysed at Walsall Manor Hospital, UK (52.3 degrees...