A member asked:

How does nonoxynol-9 stop sperm?

A doctor has provided 1 answer
Dr. George Klauber answered

Specializes in Pediatric Urology

Sperm motility: N-9 present in most spermicidal compounds, many condoms and vaginal diaphrams. It interferes with cell walls of sperm to make them non-motile. It is only 80-90% effective and thus 10-20% not effective.

Answered 9/23/2012

5.9k views

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Related Questions

A member asked:

Is there another spermicide that does not contain nonoxynol-9?

A doctor has provided 1 answer