A woman who is pregnant for 50 days and sees red is not necessarily able to take birth control pills, depending on the actual situation. The 50 days of pregnancy belongs to the early stages of pregnancy, the phenomenon of seeing red may be the first sign of miscarriage or ectopic pregnancy and so on. If it is a miscarriage with aura, the quality of the embryo itself is good, generally pay attention to more rest, may not need to use drugs to keep the embryo, the embryo can also survive naturally; and if the embryo quality is relatively poor, the occurrence of a miscarriage with aura, even if the use of drugs to keep the embryo may not be able to keep it, there may be a spontaneous miscarriage. If an ectopic pregnancy occurs, you need to go to a regular hospital in time and use the appropriate solutions, such as surgical treatment, so as not to affect the health of the woman. Women who are pregnant for 50 days must actively go to the regular hospital to do the relevant examination, clear what causes, and then targeted treatment, so as not to delay the condition.