In approximately one third of DMs, there is no identifiable in situ elanoma, and histopathologic recognition of the malignant dermal spindle cells may be challenging. DMs associated with an in situ melanoma in the epidermis and/or follicular epithelium are easier to recognize histopathologically.
Cervical cerclage may be done when a woman has: 1  An incompetent cervix. 2  Had a miscarriage because of an abnormally shaped uterus or damage to the cervix. A damaged cervix may not remain closed during pregnancy.  Had a previous second-trimester pregnancy loss or a delivery that occurred with few or no contractions.
During a pregnancy, there are a number of precautions that need to be taken by the expectant mother, for the safety of her unborn child. The opening of the uterus is known as the cervix. It points downwards and is usually at the posterior end of the vaginal opening.