Which of the following is NOT the cause Premature Dilatation of the cervix??A. It is associated with increased maternal age,B. Congenital structural defects, of the cervixC. Trauma to the cervix,...

Which of the following is NOT the cause Premature Dilatation of the cervix?? A. It is associated with increased maternal age, B. Congenital structural defects, of the cervix C. Trauma to the cervix, such as might have occurred with a cone biopsy or repeated D&Cs. D. Prolonged use of tampon