Mnemonic: “APPENDICITIS”
A: Appendicitis
P: PID/Period
P: Pancreatitis
E: Endometriosis/Ectopic pregnancy
N: Neoplasia
D: Diverticulitis
I: Intussusception
C: Cyst (ovarian)
I: Inflammatory bowel disease (Crohn’s)
T: Torsion (ovary)
I: Irritable bowel syndrome
S: Stones