When is the best time to take abortion medicine?

If pregnant in 49 days can take medicine flow abortion, but before eating abortion medicine, must pass color ultrasound examination to determine that there is pregnancy sac discharge ectopic pregnancy can eat, and take medicine flow, general medicine flow pregnancy sac is too small is not suitable to eat, because it may lead to drugs are not particularly sensitive, so lead to incomplete abortion situation, generally in more than 40 days can be, but can not exceed 49 days. It is not that the smaller the pregnancy sac, the better the effect. This is not the case. It needs to reach a certain size to prevent it from causing the drug to show no effect. Moreover, taking the drug flow generally requires fasting. After taking the drug flow for an hour, you can eat. Otherwise, the efficacy of the drug will be affected. This is something that needs attention.