1. A face to face mindfulness and compassion intervention for pregnant women in their second trimester of pregnancy and their partners in group format (8 weeks) based in the Mindfulness Based Childbirth and Parenting program from Nancy Bardacke. This group will also receive in their third trimester of pregnancy the childbirth education classes taught by midwives (6-8 weeks) that every pregnant woman normally attends to in the National Health Care System in Spain (TAU).