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Barrier Method for Birth Control

By  ,  Onlymyhealth editorial team
Feb 05, 2013
4.8 / 5(4 Ratings)

Barrier Method for Birth Control

Female condoms

It is quite a new entrant in the market as a female contraceptive, though it has been available for some time. It is made of thin sheaths of polyurethane plastic with two rings of the same material on each ends. One end of this device is closed while the other end has an opening. The flexible ring with the closed end is inserted into the vagina while the open end remains outside the vagina and partially covers the labia (walls of the vagina). Female condoms are to be worn before sexual intercourse. When penetration is about to take place a woman needs to guide the man’s penis into the open end of the condom. Since mostly female condoms are made of polyurethane, both oil-based as well as water-based lubricants can be used unlike in the case of latex condoms where only water-based lubricants can be used. Never use a man’s condom along with a woman’s condom as tearing of condoms is very possible. Failure rate of female condom ranges from five percent to twenty-one percent. Female condoms are less effective and more expensive when compared to male condom. Female condom can also help prevent STDs.

 

Diaphragm

It is a dome-shaped latex cup that is inserted into the vagina and over the cervix before practicing sex. Diaphragms are mostly used along with spermicidal formula which can be in the form of cream or gel. The latex cup prevents sperms from entering the uterus and the spermicidal acts as a backup plan in case some sperms pass through by making them inactive. The diaphragm is to be removed after having intercourse but has to remain inside the vagina for six to eight hours after sex to prevent pregnancy. This method of contraception not only has a high failure rate but also does not protect you from STDs. Women prone to infections of the urinary tract or allergic to latex and spermicides should not use this method. Women with Toxic Shock Syndrome are not recommended to use this method. Women using latex diaphragms need to be sure that their partners are not allergic to latex or spermicides. Diaphragms can be reused after a proper wash but needs to be checked for leaks or damage of any kind. Diaphragms have to be custom-fitted and its fitting needs to be checked in the clinic after every few months or after changes due to weight or pregnancy.

 

Cervical cap

 

It is a small, latex cup which is shaped like a thimble and is used along with spermicide to be inserted into the vagina, similar in terms of diaphragm but a size smaller. Failure rate is similar to the diaphragm, eighty to ninety percent effective. It covers the cervix and prevents sperms from entering the uterus. It can be inserted several hours before intercourse and must be kept in the vagina eight hours after intercourse is over. It is reusable but needs to be replaced after every year or so and needs to be checked for fitting due to weight gain or any physical changes. Lubricants which are oil-based should not be used along with cervical caps. This method of contraception is by prescription only and requires few tests to be done, such as a pelvic examination and Pap test. An abnormal pap test, inflammation or infection and women with history of toxic shock syndrome are not recommended for this method of contraception.

 

Sponge

 

A form of disposable barrier contraception. It is made of polyurethane, which is round shaped and fits over the cervix. The sponge also contains a spermicide; it works on the same principle of a diaphragm. It is inserted six hours before intercourse and should be left for six to eight hours after the act. It should not be used during menstruation, after delivery, abortion and miscarriage. Women with history of Toxic Shock Syndrome are not recommended this contraception.
Dental dams: They are square shaped pieces of thin latex which are used to prevent transmission of STDs while performing oral sex on the vagina or anus. It covers the vagina and prevents any exchange of body fluids. It does not come lubricated and only a water-based lubricant should be used on the side of the dental dam which touches the skin for providing sensation. It can be used along with a spermicide. Dental dams are basically used by dentists for dental surgeries, hence the name.

 

Spermicides

 

They help avert pregnancy by killing sperms, when applied inside the vagina prior to intercourse. The failure rate of spermicide when used alone as a contraceptive is higher unlike in the case when used along with any other barrier method. Spermicides are unscented, not flavoured, clear in colour, non-staining and lubricating. Many women are allergic to spermicides and infections of the urinary tract can occur. Effectiveness lasts for only a less duration, about an hour. They come in form of gels and creams.

 

Vaginal ring

A thin, colourless, flexible ring which can be inserted into the vagina near the cervix. It is a hormonal method of contraception as the ring is coated with hormones, estrogen and progesterone. This contraceptive is by prescription only and is to be used three weeks in advance for the hormonal effects to take place. Precise positioning of the ring is not important as in the case of a diaphragm or cervical cap. The hormones are released gradually in body and work on the same principal of oral pills. The ring gives protection from pregnancy for only a month and does not shield you from STDs. Availability of this contraception in the markets might be difficult.

 

 

 

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