You can take oral contraceptives twice a month, usually emergency contraceptives, the hormonal content of emergency contraceptives is 2-3 times higher than normal short-acting contraceptives, at this time it is not recommended to take oral contraceptives twice a month, not more than three times a year. It is not recommended to take the pill twice a month or more than three times a year because it can cause irregular menstrual cycle, abnormal bleeding, abdominal pain, and may even affect the change of ovulation. At the same time, you can buy an early pregnancy test about 12 days after intercourse to rule out the possibility of pregnancy, because the emergency contraceptive pill is not 100% contraception, and can also cause the possibility of ectopic pregnancy, so in the usual time as far as possible to take condoms for contraception, so as to avoid too many oral health effects.