Cervical dystocia

Cervical dystocia failure causes,primary cervical dystocia, Secondary cervical dystocia and its management

1. CERVICAL DYSTOCIA -DR. SUPRIYA MAHIND

2. Progressive cervical dilatation needs an effective stretching force by the presenting part. Failure of cervical dilatation may be due to – (a ) Inefficient uterine contractions (b) Malpresentation, malposition ( abnormal relationship between the cervix and the presenting part ) ( c) Spasm (contractions) of the cervix. Cervical dystocia may be primary or secondary.

3. Primary : Commonly observed during the (i) First birth where the external os fails to dilate (ii) Rigid cervix ( iii) Inefficient uterine contractions and the others (as mentioned above).

4. Treatment: In presence of associated complications ( malpresentation , malposition), cesarean section is preferred . If the head is sufficiently low down with only thin rim of cervix left behind, the rim may be pushed up manually during contraction or traction is given by ventouse.

5. SECONDARY CERVICAL DYSTOCIA: This type of cervical dystocia results usually due to excess scarring or rigidity of the cervix from the effect of previous operation or disease Others are: ( i) Post delivery ( ii) Postoperative scarring ( iii) Cervical cancer .

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