If it is the first month to take Eusebio, usually Eusebio is taken for more than seven days before intercourse can be done without contraception. The way to take Eusemide is usually to start taking the pill on the first day of menstrual bleeding, and only after seven days does it start to work as a contraceptive. The second box of the pill is usually taken seven days after the discontinuation of the pill. Eusebio is a short-acting contraceptive pill that can also regulate menstruation. If you start taking Eusebio on the fifth day of your menstrual bleeding, it is usually used to adjust your menstruation. The contraceptive effect of this kind of pill is not reliable. Eusemide contains very small amounts of estrogen, so it has fewer side effects and is relatively commonly used in third-generation birth control pills.