Unless they break during intercourse.
Condoms are typically made of latex, polyurethane, or natural membrane (also called lambskin). Latex is the most common material due to its effectiveness in preventing the transmission of sexually transmitted infections and pregnancy. Polyurethane condoms are a good alternative for those with latex allergies.
When used correctly, condoms are highly effective in preventing pregnancy. However, no form of contraception is 100% guaranteed. It is possible for condoms to fail, which could result in pregnancy.
They are not very effective in preventing HIV transmission. They are probably better than nothing, but lamb skin condoms have microscopic holes in them - the holes are small enough so that sperm cannot pass through, but STDs and HIV are still a risk.
A combination of condoms and a diaphragm are reliable and cost effective for college age students. Used together they are very effective at preventing both pregnancy and the spread of STD's.
No. Male pre-ejaculate can contain sperm and cause pregnancy. If you are concerned about preventing pregnancy I recommend you use other methods (birth control pills, condoms, etc) instead of the withdrawl method.
Trojan makes Trojan condoms. They are great for preventing pregnancies. For full effectiveness use a pregnancy pill along with the condoms, though this isn't 100% safe.
If used correctly, couples that rely on male condoms alone have a 85% Success rate. Meaning 15/100 couples who use male condoms only will have an accidental baby. Female condoms are a little less unreliable with a 79% Success Rate. 21/100 couples will have a unintentional pregnancy. The "reliability" figures used for contraceptive methods refer to pregnancies in a year - 85% reliability means that in one year, 15% of women who use the specified method will get pregnant.
Spermicide condoms are less effective in preventing pregnancy compared to other methods of contraception. They have a failure rate of around 18% with typical use. To improve effectiveness, using spermicide condoms in combination with another form of birth control, such as hormonal methods, is recommended.
AIDs is a sexually transmitted disease that can be easily prevented with the right protection. Abstinence, having absolutely no sexual intercourse, is 100% effective in preventing AIDs. Condoms are effective in preventing AIDs as long as they do not break.
Preventing pregnancy is the same at all points in life. There are a number of birth control options. It is important to talk to your partner about the best options before having sex. Condoms are the birth control method that is easiest to get, effective, and will also protect against sexually transmitted diseases.
While condoms are the most effective method of protection against sexually transmitted infections and unplanned pregnancies, in a pinch, you can use dental dams, female condoms, or even plastic wrap as a substitute. However, these alternatives are not as effective as condoms for preventing STIs. It is recommended to always use a condom for the best protection.