Cervical Barrier
In the market, there are a handful of examples of cervical barriers. One is the cervical cap. A cervical cap is a small latex device, the size of a thimble, which is inserted into the vagina to “cap” the opening of the cervix. It can be used with spermicidal and creams to kill the sperm conjunctively. It has 68-74% effectiveness since it can be dislodged during coitus.
Cervical caps work to provide a barrier on the cervical opening from sperm. During male ejaculation, millions of sperms swim towards the cervix to penetrate an ovulated egg. The female egg is often situated at the ends of the fallopian tubes near the ovaries. With a cervical cap, the sperms cannot enter the cervical area and towards the different parts of the female’s uterus. Hence, it prevents the sperm from impregnating the ovulated egg.
Cervical Barrier
Another barrier method of birth control is the diaphragm. A diaphragm is described as a flexible rubber that is shaped like a dome.
To insert a cervical cap or a diaphragm, first time users often ask the assistance of their OB-Gyns and must have a fitting done in a clinic. Probably with regular use, the user can insert the cervical cap personally. It can work as birth control option but it does not isolate the woman from STDs. Other means of contraception for the purpose of prevention of STD infections should be exercised.
| Advantages |
*No hormonal side effects *May be inserted hours before sexual intercourse *May acquaint you with your own body *Protects against unwanted pregnancies when properly fitted |
| Disadvantages |
*Requires a fitting in a clinic *Not for all women *Can be moved or dislodged during the act *May give allergic reactions to the user |
Video
This video shows what the different cervical barriers are and how it works.
http://www.youtube.com/watch?v=GkRUXgE5iEY
Related Links
http://en.wikipedia.org/wiki/Cervical_cap
http://www.babycenter.com/0_cervical-cap-and-shield_1268156.bc?print=true
http://www.quickoverview.com/reproductive/diaphragm-contraceptive.html
Kids Health
http://kidshealth.org/teen/sexual_health/contraception/contraception_diaphragm.html
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