No it can not. Women can not produce semen which is needed for pregnancy.
Pregnancy would be a common reason to cause nausea in a girl after sex.
A girl will ovulate regardless of whether she has sex. Sex allows the sperm to meet the egg and cause pregnancy.
No. you have to have sex
The cause of premarital pregnancy is having sex, just like marital pregnancy.
No, pills do not cause pregnancy. Sex causes pregnancy.
Unprotected sex causes pregnancy.
Sex can cause several things: 1. Pleasure 2. Pregnancy 3. Diseases
it can spread STD's and cause pregnancy
Having sex
Yes it is possible for the girl to get pregnant if during her period. Having un-protected sex can cause pregnancy. However the girl is most likely to become pregnant in between the end of her period until the start of it.
In a normal healthy pregnancy, sex is safe for the first two trimesters. However, in the third trimester, it may cause contractions in some women. It may also become more uncomfortable.
Unprotected sex, lack of sexual education, no access to contraceptives.