Support and Personalized Care in Alternative Midwifery Birth Units Versus Traditional Units in France: Effects on the Psychological Health of Couples and on the Health of the Mother and Child at the Age of 2 Years.

Method and Material: Couples included in the prospective multi-center observational PhysioCare study (3 centers ; exposed/unexposed,1:2 ratio (1 woman in AMU for 2 in SOU), matched by center and parity) will be invited to complete standardized questionnaires online 2 years after birth: City Birth Trauma Scale, Edinburgh Postnatal Depression Scale, generic SF-12 questionnaire, Mother-to-Infant Bonding scale, Questionnaire d'Auto-Evaluation de la Compétence Educative Parentale, Multidimensional Scale of Perceived Social Support, Child Development Inventory (short version), data on breastfeeding and health. Estimated sample size at 2 years (with 70% of respondents): 420 women; 328 coparents. Semi-structured interviews to assess women's, partners' and professionals' perceptions of care will be conducted on a sample of couples. Multivariate intention-to-treat statistical analyses (linear/logistic regression with propensity score, IPTW) will be performed. Findings expected : PhysioCareTwo study has the potential to produce significant results that improve maternal and child health, strengthen medical practices, and promote family well-being. These spin-offs can have a positive impact in the short, medium and long term in the perinatal field. Conclusion : To generate concrete knowledge for the benefit of parents and their children, improve perinatal care in France, and promote these care approach.