Early pregnancy can appear a lot of physiological changes, early pregnancy pregnant women feel that there are more dirty things excluded from the vagina, consider the following two situations: First, consider vaginitis, pregnant women after the perineum and vagina will be obviously congested, the vaginal wall will be thickened plus the local more humid it is easy to get infected with vaginal inflammation. More leukorrhea will lead to a lot of dirt on the underwear, especially mycosis vaginalis, tofu dregs-like yellow discharge. Secondly, if a woman has a pre-eclampsia, it will also lead to brown secretions on the underwear, and fetal instability, pregnant women do not rest well, as well as low progesterone has a relationship with the brown, dirty secretions, you need to actively preservation of pregnancy and treatment, and at the same time to dynamically understand the baby’s development.