1, due to natural childbirth. It is very important for women to get pregnant and have children. During childbirth, the fetal head squeezes the female birth canal, which expands the muscles and tissues around the female pelvis, and the ligaments in the uterus are constantly pulled, which easily leads to female vaginal relaxation. Generally speaking, natural delivery of 1 and 2 does not cause vaginal relaxation in women, but vaginal relaxation is very obvious in women who give birth many times.

2. Sexual life is too frequent and intense. Women's frequent contact with sexual life and intense sexual life will lead to thinning and deformity of female vaginal muscles and fascia, which will lead to female vaginal relaxation.

3. Illness and physical weakness. Women themselves suffer from chronic diseases, or women themselves are too weak and emaciated, muscles such as muscles, fascia and ligaments will be more relaxed, and the vagina will be more relaxed.

4. the growth of age. With the growth of age, people are constantly aging, and the secretion of hormones in the body will gradually decrease, which will lead to atrophy of female vaginal mucosa and relaxation of female vagina.