There are many ways of contraception, and it is best for women to choose the contraceptive method that suits them. Commonly used contraceptive methods are as follows: 1. Intrauterine device (IUD), this method of contraception has a high success rate, the implementation of the operation is simple, and after placing the IUD, long-term contraceptive effect can be achieved. However, it is not suitable for all women because it has side effects such as vaginal bleeding, abdominal pain and excessive menstruation.2. Short-acting contraceptive pills, as long as the pill is taken in the right way and at the right time, the contraceptive success rate can reach 99%. However, as long as you miss a dose, there is a possibility of pregnancy, and can not be long-term use of contraceptives, can lead to endocrine disorders, breast disease, facial pigmentation, etc. 3, condoms, the use of the correct method of contraceptive success rate is high, every time you need to use a sex life, but can be ruptured condoms, slippage, allergies and other phenomena.