Paper #1: Pink cloud or baby blues? A longitudinal study investigating the role of motivation and basic psychological need satisfaction in women’s psychosocial well-being during the transition to motherhood. Katrijn Brenning (Ghent University), with Maarten Vansteenkiste, Bart Soenens Paper #2: Explaining Introjected Motivation: Roles of Maternal Attachment Avoidance and Satisfaction of the Need for Relatedness Patricia A Smiley (Pomona College), with D. Kyle Bond, Anthony Gomez , Jessica L. Borelli Paper #3: Why am I a mother? How new mothers’ motivations help understand mothers’ and fathers’ adjustment to parenthood Tamarha Pierce (Université Laval), with Joannie Pouliot, Malika Morisset-Bonapace , Francine de Montigny Paper #4: Satisfaction of Basic Psychological Needs, Self-Determined Exercise Motivation, and Psychological Wellbeing in Mothers Exercising in Group-Based versus Individual-Based Contexts Geoff P Lovell (University of the Sunshine Coast), with Marcus B. Mueller