Gels the next step in male contraception

A male hormonal contraceptive could be a step closer to reality, with a study finding combination transdermal gels were effective in almost 90% of men.

The trial randomised 91 men to apply daily testosterone gel to the upper arms, and nestorone (a norprogesterone-derived progestin) or placebo to the abdomen.

After 20 weeks of treatment, sperm concentrations dropped significantly in 89% of men given a lower dose of nestorone (8mg) and in