The Effect of Birth Positions on Labor

Inclusion Criteria: * Being between 18 and 35 years of age * Being primiparous * Being at term (37-42 weeks) * Being in the latent phase of the first stage of labor * Being in the vertex position, having a single, live fetus * Having an estimated fetal weight between 2500 and 4000 grams * Having a maternal Body Mass Index \<30 * Pregnant women who are expected to give birth vaginally * Ability to understand and speak Turkish * Volunteer to participate in the study Exclusion Criteria: * Non-cephalic presentation * Chronic diseases (heart disease, epilepsy, hypertension, hypothyroidism, diabetes, and kidney disease, etc.) * Risk of obstetric complications (gestational hypertension, cephalopelvic disproportion, antepartum hemorrhage, intrauterine growth restriction, premature rupture of membranes, etc.) * History of pelvic surgery * History of prolapse surgery * History of collagen disorder * Severe anemia * Presence of genital tract infection * Abnormalities of the vulva (presence of vulvar edema, scarring, etc.) * Application of fundal pressure * Interventional delivery (use of forceps/vacuum during the second stage, etc.) * Cesarean section * Fetal (risk/presence of congenital malformations, estimated fetal weight \<2500 g or \>4000 g)