This may be difficult if neither partner has made a long term commitment to the relationship. Like every other method of birth control, pregnancy is possible, especially if the method is not adhered to strictly. Natural methods offer no protection from STDs. Natural methods are most effective when followed strictly. Talk to your mate about this possibility ahead of time.
Abstinence means refraining from any type of sexual activity.
It is the only sure way to avoid pregnancy or sexually transmitted disease. Additionally, early sexual activity and having multiple sex partners is strongly linked to cervical cancer in women. Some of these can still cause pregnancy and STD, and most eventually lead to plain old sexual intercourse. More unplanned pregnancies and abortions occur in among young adults than teens. Half of all women who begin having sex become pregnant within six months.