When you are 17 weeks pregnant and have brown leukorrhea when you go to the bowels, it is usually not normal and may be caused by preeclampsia, gynecological inflammation and other reasons. 1. Pre-eclampsia: 17 weeks of pregnancy belongs to the middle stage of pregnancy, when the pregnant woman and the fetus are in a more stable state, and the fetus has grown and developed. However, if the pregnant woman has a strenuous exercise, placental factors, fetal factors, etc. may lead to preeclampsia, at this time may appear to go to the bowels with brown leukorrhea, is not normal. 2. Gynecological inflammation: due to the weaker resistance of pregnant women during pregnancy, gynecological inflammation such as vaginitis, cervicitis, etc., especially combined with cervical polyps, can also appear in the case of brownish leukorrhea when going to the toilet, often accompanied by vaginal itching and other discomforts, which is not normal. If the pregnant woman in the 17th week of pregnancy, the situation of brownish leukorrhea, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, symptomatic treatment.