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Family Planning: A Global Handbook for Providers

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Family Planning

A GLOBAL HANDBOOK FOR PROVIDERS

How Effective?

Vertical arrow pointing up showing the effectiveness of Combined Vaginal Ring. The bottom of the arrow is less effective and top of the arrow is more effective.  A black bar is just above the bottom of the arrow showing that it is least effect.Effectiveness depends on the user: Risk of pregnancy is greatest when spermicides are not used with every act of sex.

  • One of the least effective family planning methods.
  • As commonly used, about 29 pregnancies per 100 women using spermicides over the first year. This means that 71 of every 100 women using spermicides will not become pregnant.
  • When used correctly with every act of sex, about 18 pregnancies per 100 women using spermicides over the first year.

Return of fertility after spermicides are stopped: No delay

Protection against sexually transmitted infections (STIs): None. Frequent use of nonoxynol-9 may increase risk of HIV infection (see Question 3).