How to determine if it is cervical mucus plug

Cervical mucus plug is usually milky white or yellow transparent. During pregnancy, the glands in the cervical mucosa secrete alkaline mucus, which forms a mucus plug and blocks it in the cervical canal. It can protect the vaginal environment and prevent bacteria from entering the uterus through the vagina, affecting the health of the fetus. After labor, due to hormonal changes and the stimulation of fetal head descent, cervical mucus plug will fall off, which is also a signal of impending labor, women will feel a viscous fluid from the vagina, which is a normal phenomenon, is a sign of labor.