If you bleed for ten days in early pregnancy and can’t see anything on ultrasound, you may have a miscarriage, but you may also have a biochemical pregnancy or ectopic pregnancy, etc. 1. Miscarriage. Early pregnancy bleeding for ten days to do ultrasound can not see the gestational sac, is likely to have been completely aborted, the gestational sac out of the uterine cavity, can be combined with blood human chorionic gonadotropin HCG examination to confirm the diagnosis. 2. Biochemical pregnancy. Bleeding in the early stages of pregnancy for ten days, but ultrasound can not be seen may also be biochemical pregnancy. Due to the fact that the sperm and egg are discharged from the body without being fertilized, there will be vaginal bleeding, and the presence of the gestational sac cannot be observed on ultrasound. Generally do not need treatment, can observe the amount of bleeding, pay attention to rest. 3. Ectopic pregnancy. Early pregnancy bleeding for ten days ultrasound examination can not see anything but also vigilant ectopic pregnancy. If the fertilized egg in the uterine cavity outside the bed development, will cause obvious abdominal pain and vaginal bleeding phenomenon, but through the ultrasound examination of the uterine cavity can not see the gestational sac, combined with the blood HCG examination to confirm the diagnosis. There are many factors that can cause bleeding in early pregnancy for more than ten days and cannot be seen by ultrasound, so you should avoid eating stimulating foods, get more rest, and have relevant examinations in time for symptomatic treatment.