1) Objectives: Objectives include pregnancy outcomes, hemoglobin and hematocrit base levels prior to and during labor, mother's weight at an early stage and in 38 weeks of pregnancy, the frequency of preterm delivery, delivery characteristics (the length of active phase and second stage of labor, intense labor pain at 6-8 centimeters cervical dilatations and receiving oxytocin during labor), and the number of prenatal visits. (2) Design: This is a clinical trial in which participants are assigned into two groups of 4 and 6 selected through randomized permuted blocking. (3) Methods and materials: This study will be conducted on 120 women aged 11 to 19 years old who have the inclusion criteria, are willing to participate in the study, and refer to Ardebil's chosen Health-treatment centers. (4) Participants of the study will be 11 to 19-year-old pregnant women with gestational age of 20-24 weeks, having their first to third pregnancy, scored below 12 according to Edinburg's Depression Scale prior to intervention, showing no signs of physical and mental illnesses according to patients, willing to give birth in Tamin Ejtemai and Alavi hospitals of Ardebil, and have never participated in physiologic childbirth classes before. (5) Interventions: In the intervention group, 60 people will take part in 5 counseling sessions from 20 to 38 weeks of pregnancy while 60 participants of the control group will only receive the routine care of pregnancy. (6) The main outcome variables will be collected through self-administered pregnancy outcomes plus demographic questionnaires, VAS pain assessment tools, and partograph form.