The brown discharge at 32 weeks of pregnancy may be caused by preterm labor, or it may be related to placental hypoplasia, cervical polyps, etc., you should go to the hospital as soon as possible. 1. Preterm labor: 32 weeks pregnant with brown discharge may be a sign of preterm labor, may be accompanied by gradual enhancement of contractions, to the hospital ultrasound examination, to understand the situation of the fetus in the uterus, in accordance with the doctor’s instructions for the preservation of the fetus treatment, such as intravenous infusion of magnesium sulfate, and so on. 2. Placenta hypoplasia: If the position of the placenta is low, with the increase of gestational weeks, it may cause brown secretion or even hemorrhage, but there is no obvious abdominal pain. You should go to the hospital as early as possible to monitor the fetal heart and ultrasound. 3. Cervical polyps: most of the cervical polyps are caused by chronic cervical inflammation, with the increase in weeks of pregnancy, cervical polyps may gradually increase in size, stimulated by friction may lead to a small amount of vaginal bleeding, which in turn leads to the emergence of brown discharge at 32 weeks of pregnancy. 32 weeks pregnant women with brown discharge may have other reasons, must pay attention to, pay attention to do not overwork, do not have intercourse, pay attention to fetal movement, if there is vaginal bleeding, contraction of the uterus, water breakage and so on, you should go to the hospital at the earliest possible time.