A bit of blood in the discharge at 7 weeks of pregnancy may be a pre-eclampsia, but other conditions such as ectopic pregnancy and cervical polyps cannot be ruled out. Regardless of the etiology, it is necessary to consult a doctor in time to clarify the cause of the disease in order to assess the severity of the condition. 1. Early pregnancy with vaginal bleeding, commonly associated with miscarriage, need to carry out ultrasound, HCG and progesterone examination, determined to be intrauterine pregnancy can be given progesterone, dydrogesterone oral or progesterone intramuscular injections to protect the fetus, if the bleeding reduces or disappears, generally can continue the pregnancy. 2. Ectopic pregnancy, i.e., ectopic pregnancy, can also appear vaginal bleeding, if the ultrasound suggests that the uterus see the gestational sac, can be diagnosed as ectopic pregnancy. The treatment of ectopic pregnancy needs to be combined with the size of the sac, HCG level, the presence of rupture, etc. to decide the treatment, including expectant treatment, medication, and even surgical treatment. 3. Cervical polyps, generally through the gynecological examination of the cervix can be seen in the cervix has cumbersome organisms, polypectomy can be removed after the removal of fertility preservation treatment, most can continue to pregnancy, but do not rule out the possibility of a few patients may have a miscarriage. Clinical symptoms such as vaginal bleeding during pregnancy need to consult a doctor in time to clarify the cause of the disease, and improve the examination in order to assess the condition and targeted treatment.