Sexual contact; when the male ejaculates sperm into (or on) the vagina and the sperm fertilizes a ripe ova in the fallopian tube, is the only natural method of pregnancy.
It can not cause pregnancy.
Unprotected sex causes pregnancy.
Pregnancy.
Pregnancy.
sex
The cause of premarital pregnancy is having sex, just like marital pregnancy.
The same thing that causes pregnancy after menstruation: sex.
The cause of pregnancy is intercourse but that is probably not what you mean. Rephrase the question.
No, pills do not cause pregnancy. Sex causes pregnancy.
Pregnancy.
Pregnancy.
it is not preventing pregnancy