The material for this section is drawn primarily from this source material.

Gabriel, Cynthia, Natural Hospital Birth-The Best of Both Worlds, The Harvard Common Press, 2011

Gaskin, Ina May, Ina May's Guide to Childbirth, Bantam Books, 2003

Kitzinger, Sheila, The New Pregnancy and Childbirth-Choices and Challenges, Dorling Kindersley Limited, 4th Ed, 2003

Lowdermilk, Perry, Cashion, Alden, Maternity and Women's Health Care, Elsevier, 10th Ed., 2012

Simkin, Hanson, Ancheta, The Labor Progress Handbook- Early Interventions to Prevent and Treat Dystocia, John Wiley & Sons, Inc., 4th Ed., 2017