In the birth industry, laceration refers to a cut or tear to the cervix, perineum vagina, or labia as a result of pregnancy and childbirth. These types of injuries can occur during childbirth when the baby’s head comes out of the vagina. Lacerations can also be caused by fingers, instruments, or other objects that are inserted into the vagina.
It can also refer to a cut or tear to the infant’s scalp, face, or body as a result of a mechanical birth process, generally known as birth injury or trauma.
Various factors can contribute to the occurrence of a laceration, such as the size and shape of the baby’s head, the mother’s pelvic bone structure, the amount of amniotic fluid present, and the use of forceps or vacuum extraction.
This image shows how often the term ‘Laceration’ is used in relation to other, similar birth terms:

Cervical Laceration
A cervical laceration is a type of laceration that occurs when the cervix separates from the side of the uterus. This can happen when the baby’s head is too big to fit through the opening of the cervix, or if there is too much pressure on the cervix during labor. A cervical tear can also be caused by fingers, instruments, or other objects that are inserted into the vagina.
Perineal Laceration
A perineal laceration is a type of laceration that occurs when the skin between the vagina and the anus is torn. This can happen when the baby’s head comes out of the vagina, or if there is too much pressure on the perineum during labor. A perineal tear can also be caused by fingers, instruments, or other objects that are inserted into the vagina.
Vaginal Laceration
A vaginal laceration is a type of laceration that occurs when the skin and muscles of the vagina are torn. This can happen when the baby’s head comes out of the vagina, or if there is too much pressure on the vagina during labor. A vaginal tear can also be caused by fingers, instruments, or other objects that are inserted into the vagina.
Labial Laceration
A labial laceration is a type of laceration that occurs when the skin and muscles of the labia are torn. This can happen when the baby’s head comes out of the vagina, or if there is too much pressure on the labia during labor. A labial laceration can also be caused by fingers, instruments, or other objects that are inserted into the vagina.
These injuries are common during childbirth and can occur even if there are no complications and can range from mild to severe. The risk of laceration increases as the duration of labor increases, and it is more common in first-time mothers.
Lacerations can be repaired with sutures, which are usually done at the time of the injury. However, if a laceration is extensive, it may require a second surgery to fully repair the damage.
Laceration is similar to other terms such as incision, cut, and rupture. However, laceration is typically more severe than a simple cut or incision and may involve more extensive damage to the surrounding tissue. A rupture, on the other hand, is a complete tear of the tissue.
Laceration can often be treated with basic first-aid measures such as cleaning and bandaging the wound. In some cases, however, more advanced treatment may be required.
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