Milton Diamond, a leading sexologist and professor at the University of Hawaii Medical School, will give a lecture on medical ethics concerning intersexualism, the study of people born with sexually ambiguous genitals, Friday at Tokyo Women's Plaza in Tokyo's Shibuya Ward.

In a symposium titled "Intersex and Transgender -- similarities and differences" held by Trans-Net Japan, a support group for transgenders, Diamond will talk about his recent study on problems surrounding medical treatment for intersexuals.

Talks by Japanese intersexuals and their families are also scheduled.

The program will start at 6 p.m. Admission is 1,500 yen and includes reference materials. For more information, call 090-3506-4843. Tokyo Women's Plaza is a seven-minute walk from Omotesando subway station.