List three techniques that have been developed to prevent pregnancy. Which one of these techniques is not meant for males?

There are different methods which can be used for preventing pregnancy.
Barrier methods: These are physical methods to prevent contraception, like condoms, IUD etc.
Chemical methods: Contraceptive pills are the chemical substances or hormone in the form of pills to prevent pregnancy.
Hormonal methods: Hormonal injections prevent pregnancy.
The hormonal contraception is not meant for the males.
These methods help in preventing ovulation, fertilisation or implantation and thus, there is no pregnancy. These methods have been developed to maintain the specific number of people in the family by the family planning schemes. This also helps in regulating the health conditions of the female and the children.