One of the legal methods of birth control is
1. abortion by taking an appropriate medicine
2. by abstaining from coitus from day 10-17 of the menstrual cycle
3. by having coitus at the time of day break
4. by a premature ejaculation during coitus

Intentional or voluntary termination of pregnancy before full term is called:
1. Contraception
2. Spontaneous abortion
3. Induced abortion
4. Feticide

MTP is considered relatively safe up to ____ weeks of pregnancy.
1. 12
2. 16
3. 20
4. 24

Barrier methods for contraception work on the principle of: