What is the cervix? The cervix, also known as the neck of the uterus, is an important tissue organ in the female reproductive system. The cervix is located in the lower part of the uterus and is nearly conical in shape, 2.5-3cm long, with the upper end connected to the body of the uterus and the lower part penetrating deeper into the vagina, which is commonly known as the neck of the uterus, connecting the vagina to the uterus. The role of the cervix The cervix protrudes from the vagina and contains cilia that can secrete cervical mucus, the shape and amount of which is the same as that of the endometrium, which is influenced by ovarian function and changes cyclically with the menstrual cycle. During ovulation, under the action of estrogen, the cervical mucus is thin, which is favorable for the sperm to pass through, and at the same time, the sperm can also draw nutrients from the cervical mucus, increase its vitality, and promote the combination of sperm and egg. After ovulation, under the action of progesterone, cervical mucus decreases and becomes sticky, forming a mucus plug in the cervical canal, which separates the cervix from the outside world and produces a protective effect, and at the same time, is not conducive to the passage of sperm through the cervix. Related to Infertility The cervix, as the pathway to pregnancy, plays an important role in infertility. Cervical infertility is divided into several categories: 1, cervical inflammation Inflammation makes the cervix produce a large number of leukocytes at the mouth of the cervix, phagocytosis of sperm, and inflammation leads to the loss of cervical mucus cyclic changes in the cervical mucus viscous at the time of ovulation, is not conducive to the passage of sperm. 2, cervical anatomical position abnormalities Common factors are uterine retroflexion and retroflexion. The cervix is upturned, and it is more difficult for sperm to enter the cervical canal, thus increasing the difficulty of conception. Cervical malformation is common in cervical dysplasia. 3.Abnormal function of cervical mucus is also known as cervical immune infertility, there are anti-sperm antibodies in the mucus, which will obviously inhibit the activity of sperms and their ability to penetrate the cervical mucus. What can be done to help you get pregnant? For cervical inflammation, anti-inflammatory treatment together with artificial insemination can enable the sperm to pass through the poor barrier of the cervical canal and achieve conception. For abnormal cervical position, artificial insemination is used to facilitate conception. For cervical immune infertility, condom or immunosuppressive therapy is used.