Inclusion criteria:
Adolescents 10-19 years old
Married
Pregnant
Primigravida
18-24 weeks of pregnancy
Having a health file in the health centers of Fasa and its suburbs
Having the ability to speak and understand Persian language
Informed consent to participate in research
Willingness to participate in classes with accompanying attendance
Exclusion criteria:
Having a high-risk pregnancy, including diabetes, high blood pressure, and chronic diseases affecting pregnancy such as cardiovascular disease, lung disease, etc., and History or current mental problems
Experiencing a catastrophic life event in the past three months
Having physical movement restrictions (heart disease, lung disease, incompetent cervix, high-risk multiple pregnancies, continuous bleeding, Placenta Previa after 26 weeks, Gestational blood pressure)
Addiction to any kind of drugs, tobacco
Receiving special medicine due to a physical or psychological problem