6 weeks pregnant with a small amount of brown discharge, is a pathological condition, may be a pre-eclampsia, fetal arrest, ectopic pregnancy or gynecological diseases. 1. Pre-eclampsia: there is often a vaginal brown discharge, gynecological examination of the uterus is not open, the size of the uterus and the month of pregnancy, can be given to rest and medication, such as progesterone, symptomatic relief can continue the pregnancy; aggravation of the symptoms can be developed into a difficult to avoid miscarriage, it should be carried out in a timely manner scraping surgery. 2. Fetal termination: ultrasound can be done to confirm the diagnosis. Due to fetal failure, the embryo will stimulate uterine contraction like a foreign body so that the placenta will be detached from the uterine wall and a small amount of vaginal bleeding will occur, once diagnosed with fetal failure, it should be hospitalized first. 3. Ectopic pregnancy: brown vaginal discharge is a common symptom of ectopic pregnancy, which can be diagnosed by the dynamic monitoring of blood HCG multiplication every other day and ultrasound examination. Once diagnosed as ectopic pregnancy should be hospitalized to avoid rupture of ectopic pregnancy and endanger the life of the pregnant woman. 4. Gynecological diseases. Women with gynecological diseases such as cervicitis and cervical polyps are prone to abnormal leukorrhea. Especially after intercourse may appear brown discharge. If a pregnant woman is six weeks pregnant, a small amount of brown discharge, accompanied by abdominal pain and other symptoms, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, symptomatic treatment.