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Cervical Caps (Birth Control) |
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Note: Information provided on this page is for reference only, please seek medical assistance when in doubt
The Cervical cap is a form of barrier contraception that fits over the cervix and blocks
sperm from entering the uterus through the external orifice of the uterus, called the OS.
The term cervical cap has been used to refer to a number of barrier contraceptives, including
the Prentif, Dumas, Vimule, and Oves devices. They can be divided into two type’s viz. cavity rim caps,
and other caps. Cavity rim caps adhere to the cervix, while other caps adhere to the vaginal walls
around the cervix. The cavity rim caps are Prentif, made of latex, and the disposable cap Oves are
made of silicone.
Individuals who wish to use a cervical cap are screened by a health care provider to determine
if a cervical cap, or if one brand of cap, is appropriate for them. If a cap is determined to be
appropriate, the provider will determine the proper size. The user must be refitted after any duration
of pregnancy, whether the pregnancy is aborted, miscarried, or carried to term through vaginal childbirth
or caesarean section.
Several factors may make a cap inappropriate for a particular woman. Women who have given birth
may have scar tissue or irregularly shaped cervixes that interfere with the cap forming a good seal.
For some women, available sizes of cervical caps do not provide a correct fit. Also, cavity rim caps
are not recommended for women with an anteflexed uterus.
The first step in inserting or removing a cervical cap is washing hands and finger thoroughly
to avoid introducing harmful bacteria into the vaginal canal. The cap is inserted prior to sexual
intercourse or to be more precise prior to sexual arousal as the same decreases the risk of incorrect
placement.
The cap remains in the vagina for a minimum of 6 to 8 hours after the last intravaginal
ejaculation. It is recommended that the cap be removed within 48 to 72 hours. Other than the disposable
Oves cap, after use cervical caps are washed and stored for reuse. Silicone devices may be boiled
to sterilize them. Reusable caps may last for upto 1 year.
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