5 doctors weighed in:

How does nonoxynol-9 stop sperm?

5 doctors weighed in
Dr. George Klauber
Pediatrics - Urology
3 doctors agree

In brief: 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.

In brief: 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.
Dr. George Klauber
Dr. George Klauber
Thank

In brief: Kills

Kills sperm.
...A spermacide.

In brief: Kills

Kills sperm.
...A spermacide.
Dr. Richard Sarle
Dr. Richard Sarle
Thank
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