Inclusion Criteria:  38-42 "week of pregnancy" Who will give normal vaginal delivery Dilatation of 4 cm and above Single fetus and head presentation Can speak Turkish and communicate Agreeing to participate in the study Not having risky pregnancy  Exclusion Criteria:  Application of induction Using birth analgesia / anesthesia With pacemakers With skin damage in the area where TENS will be applied With any skin disease With contraction anomalies With epilepsy