Advantages of birth control pills: 1, through the method of oral medication can achieve the purpose of contraception, is non-invasive contraceptive method, can be accepted. 2, taking the pill is relatively a relatively simple contraceptive method, just through the pill can achieve the purpose of contraception. 3, oral contraceptive pill contraceptive effect is still very good, can achieve about 98% of the contraceptive effect. Before taking the pill, you need to go to the hospital to do the appropriate examination to exclude uterine fibroids and hypertension. In addition, patients with a tendency to thrombosis can not take contraceptive pills for contraception, you can use other methods of contraception.