Welcome to the OSSD!
The Organization for the Study of Sex Differences (OSSD) is a unique scientific organization that seeks to enhance knowledge of sex/gender differences by facilitating interdisciplinary communication and collaboration among scientists and clinicians of diverse backgrounds.
Benefits of OSSD Membership
Among many reasons to join OSSD, here are just a few:
- Education and networking
- Discount on annual meeting registration
- Strong trainee support with numerous travel and poster awards!

The deadline to submit your abstract for travel award consideration is
January 19, 2026 by 11:59 PM ET
OSSD members and prospective members are now invited to submit abstracts for the 2026 Annual Meeting at the Hilton Waikoloa Village, Kona, Hawaii, May 12-16, 2026. The WHRC Pre-Meeting will be held on May 11, 2026. Learn More>>
Biology of Sex Differences Editorial: Sex Differences Research is Important!

Click to Read the Editorial