Brown discharge in the second month of pregnancy is mostly considered to be caused by pre-eclampsia, gynecological inflammation, fetal abortion or ectopic pregnancy rupture bleeding: 1. Pre-eclampsia: brown discharge in the second month of pregnancy is firstly considered to be pre-eclampsia caused by low progesterone, sometimes accompanied by stomach pain or tightness and hardness of the stomach. You should go to the hospital as soon as possible to draw blood to check progesterone, and use progesterone tablets, vitamin E, birth control pills and other drugs under the guidance of the doctor for fetal preservation treatment, and at the same time, you should rest in bed and avoid overworking; 2. gynecological inflammation: if pregnant women have gynecological inflammatory infections, such as pelvic inflammatory disease, vaginitis, cervicitis and other gynecological inflammatory diseases, brown discharge can occur, and you need to go to the hospital for gynecological examination, together with white belt Routine laboratory tests. If you are diagnosed with gynecological inflammation, you should avoid using medication in early pregnancy to avoid adverse effects on the fetus. Daily attention should be paid to keep the vulva clean and change the underwear regularly; 3. Fetal abortion: brown discharge in the second month of pregnancy may also be caused by fetal abortion and should be promptly taken to the hospital for blood test of HCG value, if the HCG value increases slowly or even decreases, it is necessary to perform the treatment of uterine clearance as soon as possible; 4. Ectopic pregnancy rupture bleeding: because with the development of the gestational sac will cause the fallopian tube to rupture, resulting in irregular vaginal bleeding, which can also This can be diagnosed by ultrasound. If ectopic pregnancy is diagnosed, surgery is usually required.