A30-year-old woman presents with fever and abdominal pain. she is 3 days postpartum after cesarean section. physical examination reveals lower abdominal tenderness to palpation and foul smelling vaginal discharge. what management is indicated? a) clindamycin iv + gentamicin iv b) metronidazole c) fluconazole d) ceftriaxone im and azithromycin po