Abdominal or pelvic pain
Nausea/Vomiting
Vaginal bleeding
Vaginal discharge
Cervical motion tenderness
Hypotension, tachycardia, fever, tachypnea
History of recent pregnancy or known induced or spontaneous<unk> 
Usually delayed presentation (48 hours after onset of symptoms) secondary to the stigma of induced<unk> 
Need for hysterectomy and bilateral salpingo-oophorectomy 
Acute renal failure, liver dysfunction, ARDS, multisystem organ failure
DIC
Hemorrhage requiring transfusion
Increased risk of ectopic pregnancy and infertility in the future
Septic abortion
The same abdominal pain differential as non-pregnant patients, plus:
Chorioamnionitis
Ectopic pregnancy
Postpartum endometritis
First trimester abortion
Placenta accreta
Complete abortion