There are many reasons why leukorrhea is brown and odorless, which may be caused by ovulation bleeding, intrauterine device placement, medication factors, etc.
1. Ovulation bleeding: when a woman is ovulating, with the change of hormone levels in the body, there may be a small amount of bleeding, mixed with the leukorrhea, which will make the leukorrhea brown, but there is no odor, and the duration will not be too long, and it can return to normal on its own.
2. Intrauterine placement of birth control devices: women in order to long-term contraception, placed in the uterus of the birth control device, may lead to a small amount of bleeding in the uterine lining, which will make the leukorrhea brown, but there is no odor, accompanied by mild pain.
3. drug factors: menstruating women do not take contraception, do not want to give birth, after sex oral emergency contraceptive pills, such as levonorgestrel, etc., may cause withdrawal bleeding, will lead to brown leukorrhea, no odor.
Brown leukorrhea without odor may also have other causes, if accompanied by other clinical symptoms, it is recommended to go to the hospital in time for examination and treatment.