Jia Miao emergency contraceptive pill is one of the emergency contraceptive pills, usually 1 capsule, each capsule 1.5 mg. This contraceptive pill progestin dose is relatively large, has a certain remedial effect, probably the success rate of about 85%, not 100%. It is recommended that after taking the pill sexual life must be strictly with condoms throughout the good contraception, because emergency contraceptive pills only for the previous sex has a certain remedial effect, on the back of the sex does not have a regular contraceptive effect. So in order to prevent future unwanted pregnancies, it is best to take the pill every time you have sex after the strict contraceptive measures to prevent unwanted pregnancies. In addition, more than 12 days after intercourse, you can use test paper or come to the hospital to take a blood test for HCG, to determine the existence of pregnancy.