Lovset manoeuvre is used in delivery of :
High-Yield Explanation
Lovset&;s maneuver Principle : Because of the curved bih canal, when the anterior shoulder remains above the symphysis pubis, the posterior shoulder will be below the sacral promontory. If the fetal trunk is rotated keeping the back anterior and maintaining a downward traction, the posterior shoulder will appear below the symphysis pubis. REF : Dutta book of obstetrics 8th Ed.