The 4 Ps of Normal Delivery

What are the factors that play a role in a normal vaginal delivery? Dr. Vidya Gayathri S, Consultant Obstetrician and Gynaecologist, Cloudnine Hospital, Whitefield, Bengaluru, explains the 4 Ps—Power, Passage, Passenger and Preparedness. From effective uterine contractions and pelvic anatomy to the baby's size and the mother's physical and mental preparedness, she explains how these factors can influence the progress of labour and delivery.