mcdonald and shirodkar/cervical incompetence/CERVIX length measurement mcdonald and shirodkar cervical incompetence The cervix normally remains tightly closed until the time of delivery. Dilatation of the cervix before term can lead to second trimester spontaneous abortion or premature delivery. Cervical incompetence is the painless cervical dilatation. Placement of a stitch, known as a cerclage loop, prevents further dilatation and permits the pregnancy to continu.. 2014. 3. 13. 이전 1 다음
