Brown discharge on the 43rd day of pregnancy needs to be given targeted treatment for the cause, the main cause of this symptom is pre-miscarriage, ectopic pregnancy, cervicitis, cervical polyps, etc., and can be given birth control, termination of pregnancy, or other methods of treatment. 1. Fertility preservation: brown discharge on the 43rd day of pregnancy may be related to preeclampsia, which needs to be combined with ultrasound and blood HCG and progesterone tests to determine the normal development of the embryo and then give progesterone, vitamin E and other medications to preserve the fetus. 2. Termination of pregnancy: brown discharge on the 43rd day of pregnancy may also be the manifestation of ectopic pregnancy, such as ultrasound and blood HCG diagnosis is recommended to take mifepristone, methotrexate conservative treatment or timely surgical treatment. In addition, also check whether the inevitable miscarriage caused, if it is the inevitable miscarriage caused by the brown discharge need to be promptly clean up the uterus treatment. 3. other: 43 days pregnant with brown discharge may also be cervicitis or cervical polyps and other diseases caused by the gynecological examination can be perfected with amoxicillin anti-inflammatory, and with the pao wu kang suppository treatment, such as cervical polyps caused by the necessity of surgical removal treatment, but generally try to treat conservatively, and so on to take the operation after delivery. Brown discharge on the 43rd day of pregnancy need to pay attention to bed rest, forbidding exertion and sexual life, timely examination of the cause and symptomatic treatment. In addition, the specific use of the above drugs should be under the guidance of the doctor, do not take on their own.