In this interventional study, 100 pregnant women will be enrolled. Inclusion criteria are: 1. Singleton normal full-term pregnancy and desire to have natural vaginal delivery, 2. 38-42 weeks of gestation, 3. Spontaneous onset of labor and normal birth with no special procedures or consultation, 4. Family member or a female friend was available to stay in the hospital throughout the birth process. Exclusion criteria are: 1. Chose a caesarean section, 2. Cervical dilatation of more than four centimeters at the time of admission. Eligible patients will be randomly divided into two 50-member groups. Group 1 will be received routine intervention with a support person during labor. Group 2 will be received routine intervention without support person during labor. Patients and support persons will be informed about labor process. The support persons will be guided to support the laboring woman. A support person will be defined as a person, such as mother, sister, or friend, who the patient wants present with her in the delivery room. The role of the support person in labor includes provision of continuous presence, reassurance and praise, comforting touch, massage, warm baths/showers, and overall continuous labor support from their birth partner until the end of the first stage, and continued to receive help throughout the second stages of labor. Data collection include the sociodemographic, length of stage of labor, the cervical laceration, pain before and after labor and satisfaction with labor experience.