The diaphragm is a rubber cap that is positioned over the cervical
opening to prevent sperm from entering. This method can be very
effective if used correctly with a spermicidal cream, and you see
your doctor regularly for refitting (especially after childbirth).
Some may find that having to fit the device before intercourse takes
place involves too much hassle and dampens the mood.
A cervical cap works in a similar manner, but is smaller and firmer.
Both are to be used with gel or cream spermicide, and both must
cover the cervix every time you have sex in order to be effective.
Both the diaphragm and cervical cap must also be fitted by a doctor
or health care provider, to obtain the correct measurements.
- You should insert the diaphragm into your vagina a few minutes
to 6 hours before intercourse, the cervical cap, 30 minutes to 40
hours before.
- Keep the diaphragm in place for at least 6 hours after sex,
the cap, 8 hours after sex.
- Never keep the diaphragm in your body for longer than 24
hours, as it may increase your risk of developing toxic shock
syndrome; the cervical cap must be removed within 48 hours.
- When using a diaphragm, remember to insert more spermicide
into the vagina before each act of sexual intercourse, but leave
the diaphragm in place.
- Do not remove the diaphragm for at least six hours after the
last act of sexual intercourse.
- It's important to wash and carefully store the diaphragm or
cervical cap after removal.
- Do not share a cervical cap or diaphragm, even among family
members.
- They must be measured to fit you.
- If you have had a weight change or pregnancy, another fitting
should be scheduled because you may need a new prescription.
*For both diaphragm users and cervical cap users, in a 1-year
period, 6 to 18 women out of every 100 get pregnant.*
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