Inclusion Criteria:  women with a history of only one previous cesarean section age between 18 and 40 years gestational age of 38 to 41 weeks body mass index less than 30.  Exclusion Criteria:  any medical disorder that can affect wound healing as diabetes, chronic anemia, chronic skin conditions, history of allergy, or history of an infected surgical wound. Women who conducted primary or emergency cesarean deliveries cardiac patients on pacemakers patients on anticoagulants women refusing to participate in the study