RecruitingBehavioural interventionDoes Psychotherapy Change the Gut Microbiome in Women of Child-bearing Age?The goal of this clinical trial is to learn if group therapy for six weeks changes the gut microbiome in women. The main questions it aims to answer are: Is chronic stress associated with the gut microbiome? Will six weeks of therapy change the gut microbiota? Participants will: Answer questionnaires about chronic stress Mail a stool sample before and after the intervention. Participate in a 1-hour group therapy session over the course of six weeks.