If brown discharge occurs at 5 weeks of pregnancy, go to the hospital for a gynecological ultrasound to check the development of the fetus and whether the position of the placenta is normal, brown discharge is more often caused by three reasons: First, the possibility of pre-eclampsia miscarriage, it is recommended to carry out fetal preservation treatment in the case of normal fetal development, pay attention to rest in life, try to rest in bed, avoid heavy The first is to avoid intercourse and keep warm, pay attention to personal hygiene. If you have brown discharge during pregnancy, consider that the pregnant woman has gynecological inflammation, such as cervical erosion, cervical polyps, etc. Third, due to the change of hormone level in women’s body after pregnancy, causing the symptoms of rupture and bleeding of capillaries in the body, it is necessary to carry out corresponding treatment and actively prevent infection in daily life.