Ideally, traction during vacuum extraction should be applied in which of the following manner?: (A) Continously, (B) Intermittently with cycles of 20seconds of traction followed by 1minute of rest, (C) Intermittently and with contractions, (D) Intermittently and between contraction
Answer is C. After the vacuum is applied, Effo should be intermittent and coordinated with maternal expulsive effos and contractions(Ref: William's Obstetrics; 25th edition)