There is no known percentage for definate. if you use a condom then there is roughly a 5% change of getting pregnant, where as if you use no protection or contraception, the risk is considerably high. if you dont want to become pregnant you may want to consider Birth Control, and also without a condom you run the risk or catching an STI or STD.
Without contraception about 100 percent
No, tampons do not stop a girl from getting pregnant. Tampons are a menstrualhygiene product, they are not a form of contraception.
Yes, but don't rely on it for contraception.
No, it does not stop pregnancy. You are still at risk if you do not use contraception.
Most people are able to get pregnant after having gonorrhea. If you don't want to be pregnant, use contraception.
It will, in fact, it gives you a greater chance of conception (getting pregnant)!
Yes you can get pregnant without getting STDs.
Don't have sex and/or ALWAYS USE CONTRACEPTION
The contraceptive implant is one of the most effective methods of reversible contraception. You can get pregnant right after removal.
Every time you have sex there is a chance of getting pregnant. With other forms of contraception the risk is lower but there is always a chance. If 100 couples have sex without birth control over the course of a year, 85 will have a pregnancy.
ANSWERThere are different kinds of contraception with different protection guarantees. For example, pills can protect from pregnancy in 97-98%. The best modern secure contraception is dual contraception which can give almost 100% security.
Contraception (i.e. Birth control, IUD, IUC, vaginal foam)