165 patients pregnant at 37weeks or more undergoing elective cesarean section randomly distributed to receive

1 gm. ceftriaxone via l intravenous infusion single dose after cord clamping.

165 patients pregnant at 37weeks or more undergoing elective cesarean section randomly distributed to receive

1 gm. ceftriaxone vial intravenous infusion single dose 30-60 minutes before skin incision.

Patients undergoing elective cesarean section with Gestational age 37 weeks or more. comparing the effect of administration of 1 gm ceftriaxone in elective cesarean section 30-60 min before skin incision versus after cord clamping.on post-cesarean section infection(wound infection as a primary outcome)

postoperative assessment of SSI. Patients will be followed up at 48-72 hours postoperative, at 7th days (skin suture removal) and at 6 weeks (contraception application).all patients will be contacted by telephone and interviewed. They will be rescheduled for a clinic visit if they reported signs and symptoms of wound infection (purulent discharge or erythema >1 cm in diameter, induration of the incision site and fever).

1. Maternal complications: other post cesarean section maternal complications, namely endometritis, pyrexia, urinary tract infection and complication of drug administration such as anaphylaxis.
2. Neonatal complications: such as neonatal sepsis