mechanism of labour

(redirected from mechanics of labour)

mechanism of labour

An obstetrical term of art referring to the seven sequential movements that a foetus undergoes as it passes through birth canal:
• Engagement;
• Descent; 
• Flexion;
• Internal rotation;
• Extension; 
• Restitution and external rotation; and
• Expulsion.
References in periodicals archive ?
The first step, which still applies today, was to explain the mechanics of labour to pregnant women, lowering their emotional tension and fear.