What reason is cervix loose to cause? The causes of cervical relaxation are more common in congenital dysplasia of the isthmus and one of complications of uterine malformation; A small part of it is the sequelae of the cervical tear from the acquired injury.
Professor Chenfenglin invented cervical banding, and the biological hoop was also called Antai Ring. It buried Antai Ring in the inner cervix, and it was directly tied to the inner cervix like a ring. The weight of the biological hoop was very good. The fetus will no longer miscarry.