Gynaecology & Obstetrics General f1a326bf Cervical incompetence is characterised by : A Cerclage operation done B 2nd trimgster aboion C Premature rupture of mombrane D All High-Yield Explanation Ans. is a, b and c i.e. 2nd trimester aboion; Premature rupture of membrane; and Cerclage operation done