The good thing about birth control pills is that they can play a role in contraception, and short-acting contraceptives can also play a role in regulating menstruation in the clinic. Its bad side is relatively more, to short-acting contraceptives, for example, because short-acting contraceptives are estrogen-progestin combination, in the clinic will cause menstrual dysfunction, caused by menstrual cycle disorders, in addition to may lead to the female face long pigmentation, mainly in the role of estrogen, the phenomenon of this hyperpigmentation. In addition short-acting contraceptives may also cause water and sodium retention in women, which can cause weight gain and lead to obesity, which is a bad thing about birth control pills. It is recommended that if you want to use contraception in the clinic, it is best to use a condom, or go on the intrauterine device for contraception, which has relatively few side effects and good contraceptive effect.