Gynaecology & Obstetrics Factors which help in descent of the presenting part during labour are all except: A Uterine contraction and retraction B Straightening of the fetal axis C Bearing down efforts D Resistance from the pelvic floor 💡 Explanation Factors which help in descent of the presenting part during labour are all except: ✓ Correct Answer: D. Resistance from the pelvic floor