Obstetrics & Gynaecology · Labour Abnormalities, Induction and Operative Delivery

Regarding amniotomy (artificial rupture of membranes) for labour augmentation, which statement is CORRECT?

  • A It reduces the duration of labour by approximately 1-2 hours when performed in active labour
  • B It is contraindicated when the cervix is less than 4 cm dilated
  • C It increases the risk of chorioamnionitis compared to spontaneous rupture alone
  • D It should not be performed before engagement of the presenting part
Correct answer: A. It reduces the duration of labour by approximately 1-2 hours when performed in active labour

Explanation

Amniotomy in active labour shortens delivery time by approximately 1-2 hours and is a component of active management of labour. It can be performed before full dilation and before engagement in many settings. While it may slightly increase infection risk if performed very early, the evidence supports benefit in active labour. Engagement is not an absolute requirement; however, care is taken to avoid cord prolapse.

Reference: Cochrane Database of Systematic Reviews / Williams Obstetrics, 26th ed.

High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP

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