Plastic or titanium clamps or silicone ring may be used to block the fallopian tubes.
Spermicide ingredients
Nonoxynol-9 is the main active ingredient in spermicide. It works by helping to block the cervix and slow down sperm so they can't and fertilize an egg.
What Lowdown reviewers say
Benefits: What this birth control can help with
There are no benefits that are recognised in scientific research or guidelines for this birth control
There are no benefits that are recognised in scientific research or guidelines for this birth control
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Birth control alternatives and comparisons
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