How to tell if i have appendicitis or ovulating? i have a sharp pain in my right side, feels like it's behind my hip bone.

Appendicitis ?: Pain from appendicitis begins slowly in general, with mild upper abdominal discomfort and concentration of pain in the right lower quadrant over a period of 12-30 hours. Ovulation pain is usually about mid-cycle, and is not preceded by discomfort around the umbilicus ("bellybutton") . If the pain is persistent over time, go to an ED where an MRI or CT can diagnose appendicitis.