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  1. Home
  2. Technical skills
  3. eLearning and Simulation for Instrumental Delivery (EaSi)
  4. EaSi resource
  5. Pelvic anatomy
EaSi resource
  • Introduction
  • eTutor profile
  • Background
  • Pelvic anatomy
    • The pelvis
    • Assessment
    • The bony pelvis
    • Mechanical factors of labour
    • Pelvic dimensions
    • Passage of head through the pelvis
    • The fetal skull
    • Uterine blood supply
    • Nerve supply
    • Ischial spines
    • Assessment
    • Key points
  • Maternal and fetal assessment
  • Decision making
  • Preparing for instrumental delivery
  • Vacuum extraction
  • Forceps
  • Rotational deliveries
  • Complications and postoperative care
  • Video quick links
  • User feedback

Pelvic anatomy

This section of the tutorial describes the anatomy relevant to instrumental delivery focussing on:

  • the anatomy of the bony pelvis and the fetal skull
  • the diameters of the pelvic inlet, mid-cavity and pelvic outlet
  • important landmarks of the pelvis
  • the innervation and vascular supply to the pelvis.

Image of Forceps


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