Most common cause of cervical insufficiency is
The most common cause of cervical insufficiency is idiopathicCervical incompetence may be congenital due to the following:Mullerian anomaliesCollagen disordersExposure to DES or the causes may be acquiredObstetric trauma like cervical laceration during deliveryMechanical dilatationCervical Conization
Idiopathic
Previous dilatation
Exposure to DES
Conization
All India exam