16 yr girl has moderate pain in both sides of lower part of abdomen close to pelvic rt side more not hot and has urinary frequentation?

Abd pain. Uti possibly. Keep eye for appendicitis (common on teenagers): pain localized to right lower quadrant, associated w nausea and or vomiting, fever and belly becomes tighter.
Infection. Should be seen by a physician to test for urinary tract infection or pelvic infection.