What are the causes and hazards of cervical laceration?

Cervical laceration is caused by uterine manipulation, childbirth, etc. The hazards include gynecological inflammation, abortion, premature birth, etc. During

abortion, intrauterine device placement, hysteroscopy, patients may damage the cervix during the operation, resulting in cervical laceration; during vaginal delivery, women may cause cervical laceration due to fetal size, emergency labor, improper maternal force

, etc.