YOU HAVE STATED TWO PROBLEMS. WHEN THERE IS DULL ACHING PAIN IN THE RIGHT PELVIC AREA, ITS USUALLY BECAUSE OF SUB ACUTE APENDICITIS WHICH DOESNT SHOW IN USG. ARE YOU EATING LOTS OF BESAN FRIED THINGS, IF YES THEN STOP IT. REGARDING YOUR PERIODS WAIT PATIENTLY AS THEY WOULD EVENTUALLY COME. GET A URINE
PREGNANCY TEST DONE IF YOU HAD A SEXUAL CONTACT. IF YOU ARE NOT
PREGNANT WAIT. STRESS ITSELF IS A VERY BIG FACTOR CAUSING AMENORRHEA