In the early stages of pregnancy, clear fluid appears in the vagina, which is a normal phenomenon. After pregnancy, the estrogen and progesterone levels in the body will increase, especially the estrogen level will increase significantly. Due to the increase of estrogen level, the cervix and vaginal wall will be congested, so the secretion will increase, and the secretion that appears at this time is transparent, without odor or uncomfortable feeling. This clear liquid is a mucus, not watery, and has a certain viscosity. If there is a watery fluid, it is not necessarily normal and may be a pre-eclampsia, so go to the hospital for a checkup as soon as possible.