Data from participants in this arm will be compared across pre-intervention, post-intervention, and 6-weeks postpartum. All participants will receive the Center M intervention, which includes group-based Cognitive Behavioral Therapy (CBT) sessions and home practice materials.

Center M consists of weekly, 1-hour, telehealth, mindfulness-based Cognitive Behavioral Therapy (CBT) group sessions for four consecutive weeks. Participants joined group sessions on their personal computer, tablet, or phone. Each visit involved the introduction of a core mental well-being theme, learning skills to develop non-judgmental self-awareness and/or cognitive reappraisal skills, skills practice, and discussion of home practice materials. Home practice materials included written mindful awareness instructions, audio-guided meditations, self-compassion exercises, and practices in recognizing the interrelationships between thoughts, feelings, and behaviors.

10-item self-report measure used to assess perinatal depression symptomology over the past seven days.

Self-report measure that assesses depressive symptoms over the past two weeks.

39-item self-report measure to assess mindfulness skills.

10-item self-report measure used to assess one's ability to regulate or manage emotion using cognitive reappraisal and expressive suppression.

6 items to reflect cognitive reframing or restructuring.