Menstruation came a little no may be caused by insufficient qi and blood, can eat qi and blood food, such as brown sugar, jujube, ginseng, wolfberry, or drink blood oral liquid. And the uterine cold is also related to, such as long-term consumption of stimulating cold food, will cause the uterine cold menstrual irregularities, can take Ai Fu Warm Palace Pills. Qi stagnation and blood stasis can also cause menstruation to decrease, you can take Wuji Baifeng Pills or Motherwort Granules. The absence of menstruation is also related to pregnancy. You can use early pregnancy test paper to detect pregnancy, if the result is positive, it means that you are pregnant, and you must have an ultrasound examination in time to avoid ectopic pregnancy or miscarriage. Normal menstruation in 3-7 days, such as menstruation lasts for a short period of time indicates that the body has problems, must be timely ultrasound examination, sex hormone six examination, gynecological examination. At the same time, pay attention to keep warm, eat more nutritious food, regulate the dietary pattern, routine.