Why wait until babies are born?  This paper describes two case studies of a prenatal (ultrasound assisted) video-feedback intervention for promoting positive parenting in expectant fathers.

de Waal, N., Verhees, M., Alyousefi-van Dijk, K., Buisman, R. S. M., & Bakermans-Kranenburg, M. J. (2022). The prenatal video-feedback intervention to promote positive parenting for expectant fathers (VIPP-PRE): Two case studies. Infant Mental Health Journal.

https://onlinelibrary.wiley.com/doi/full/10.1002/imhj.22006?campaign=wolearlyview