What is the cervix?

I often hear people around me say that someone has cervical cancer. In fact, for women, the chance of developing cervical cancer is quite high, especially for middle-aged women, so cervical cancer vaccines are still very popular. In daily life, female friends should also pay attention to preventing cervical diseases, protect the health of the cervix, and eat more nutritious foods. After all, where is the cervix located on a woman's body?

The cervix, also known as the uterine cervix, is one of the important tissues and organs in the female reproductive system. From the embryo and female fetus to old age, the cervix involves disease prevention and health care issues such as gynecology, obstetrics, family planning, women's health and reproductive health throughout a woman's life. It involves the health of the women themselves, family happiness, economic and social issues, and is also closely related to sex and reproduction.

The cervix is ​​located in the lower part of the uterus. It is approximately cone-shaped, 2.5 to 3 cm long, with the upper end connected to the uterine body and the lower end extending deep into the vagina. In layman's terms, as the name suggests, it means the cervix of the uterus, which connects the vagina and the uterus. The specific location is deep in the vagina, adjacent to the uterus.

The position of the external cervical os in the vagina determines the type of uterine displacement. Generally, the normal position of the uterus in an adult woman is slightly anteverted and flexed. "Inclination" refers to the angle between the long axis of the uterine body and the long axis of the vagina; "flexion" refers to the angle between the long axis of the uterine body and the long axis of the cervix. Normal anteversion means that the uterine body and the vagina form an inclination angle that is open forward and approximately right angles; normal anteflexion means that the uterine body and the cervix form a flexion angle of about 170° that is open forward. The external os and lips of the cervix are in contact with the posterior wall of the vagina. Various physiological or pathological factors may lead to changes in the angle of uterine "tip" and "flexion", resulting in different types of uterine displacement: anterior displacement (anteversion, anteflexion, anteversion-anteflexion), posterior displacement (retroversion, retroflexion, retroversion-retroflexion and horizontal position) and lateral displacement (lateral tilt, lateral flexion, lateral tilt and lateral flexion), etc.