Searched CINAHL and PubMed for the concepts of teamwork, communication, nurses & techs, and obstetrics/postpartum unit. Selected studies on development and strategies of effective communication and teamwork.

Crew management yields good results. Healthcare Risk Management , 2007 Dec; 29(12): 140-1

Tregunno D; Development and usability of a behavioural marking system for performance assessment of obstetrical teams.
Quality & Safety in Health Care, 2009 Oct; 18(5): 393-6

Daniel LT; Simpson EK Integrating team training strategies into obstetrical emergency simulation training.
Journal for Healthcare Quality: Promoting Excellence in Healthcare, 2009 Sep-Oct; 31(5): 38-42

Freeth D; Multidisciplinary obstetric simulated emergency scenarios (MOSES): promoting patient safety in obstetrics with teamwork-focused interprofessional simulations.
Journal of Continuing Education in the Health Professions, 2009 Spring; 29(2): 98-104

Birch L;Obstetric skills drills: evaluation of teaching methods. Nurse Education Today, 2007 Nov; 27(8): 915-22

Veltman L; P.U.R.E. (purposeful, unambiguous, respectful, and effective) Conversations and electronic fetal monitoring: gaining consensus and collaboration. American Journal of Obstetrics & Gynecology, 2010 Nov; 203(5): 440.e1-4

Thomas EJ;Team training in the Neonatal Resuscitation Program for interns: teamwork and quality of resuscitations.
Pediatrics, 2010 Mar; 125(3): 539-46

Shea-Lewis A Teamwork: crew resource management in a community hospital. Journal for Healthcare Quality: Promoting Excellence in Healthcare, 2009 Sep-Oct; 31(5): 14-8