Women who don’t want to have children can choose suitable methods of contraception, such as; IUD, condoms, birth control pills, tubal ligation and so on. 1. Intrauterine device (IUD): This is a convenient method of contraception. The IUD placed in the uterine cavity interferes with the normal cyclic changes of the uterine lining, which is not conducive to the implantation of a fertilized egg, and thus plays a role in contraception. 2. Condom: In the process of coitus, the use of condoms can prevent the combination of sperm and egg, has a better contraceptive effect, but also can prevent the spread of sexually transmitted diseases. 3. Contraceptive pills: There are many types of contraceptive pills, including long-acting, short-acting and emergency pills, and it is necessary to choose the appropriate drug under the guidance of a doctor to prevent pregnancy. However, emergency contraceptive pills are not recommended for long-term use. 4. Tubal ligation: For those who have children and do not have the requirement of childbearing, tubal ligation can also be chosen, which is an irreversible contraceptive method. As each woman’s situation is different, the choice of contraceptive methods also varies, and it is recommended to choose a contraceptive method that suits your needs under the guidance of a doctor.