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However, the only completely reliable method for avoiding pregnancy is abstaining from sex. A person risks becoming pregnant every time they have sex without contraception, including the first time they ever have sex. Some methods are available without a prescription, but most require one
Each form of birth control has advantages and disadvantages. Read on to learn more about the different ways to help people avoid pregnancy.
A) BARRIER METHOD TO AVOID PREGNANCY

1 Male Condoms

Condoms can protect against STIs as well as unwanted pregnancy. Male and female condoms are the only types of contraception that protect against asexually transmitted infections(STIs).
When used correctly, male condoms are more than 80 percent effective against unwanted pregnancy, according to the Centers for Disease Control and Prevention (CDC).

Latex condoms are worn on the vag*na during intercourse. They prevent unwanted pregnancy by keeping semen from coming into contact with fertile eggs. Condoms are made from thin latex, so they occasionally tear during intercourse. When this happens, the chances of pregnancy go up.
2 Female Condoms

Female condoms are also available without a prescription. They can be used instead of a male condom, but should never be used with one. According to the CDC, female condoms are about79 percent effective for contraception.
Also made of latex, female condoms are shaped like a ring with a pouch. The pouch fits inside the vag*na, while the ring stays outside the body to hold it in place. They collect semen during intercourse so it never has a chance to enter the woman’s body.
Female condoms reduce the risk of STDs by protecting the vag*na from directly getting touched.
3 Diaphragms

These shallow cups made of silicone are inserted inside the vag*na and over the cervix to prevent semen from contacting an egg. They are commonly used in combination with spermicidal jelly, which prevents sperm from moving, in order to increase efficacy.
A person must insert the diaphragm a few hours before intercourse, leave it in place for 6 hours after sex, and remove it after 24 hours.
*.Diaphragms are quite effective, but they don’t prevent the transmission of STDs.
4 Cervical Cap

A cervical cap is a soft silicone cup that is placed deep inside the vag*na. It covers the cervix to stop sperm from reaching an egg.
This effectiveness of the cervical cap varies according to sources, but Planned Parenthood estimate that its effectiveness ranges from about 70 to 85 percent. It does not protect against STIs.
5 Spermicide

Spermicide is a chemical that inactivates sperm. It is available to buy without a prescription and is used with forms of barrier contraception, such as condoms, but not with the sponge.
If used alone, spermicide should be inserted close to the cervix at least10 minutes before sex. It remains effective for 60 minutes and is..Read More

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