I USED NUVARING FOR LESS THAN 7MO I ALSO EXPERIENCED BURNING ,DISCHARGE LESS APPETITE SHORTNESS OF BREATH BACK ACHE, STOMACH ACHE AND EXTREMELY TIRED ALL THE TIME. PAIN DURING SEX SO ENOUGH I SKIPPED THE GYN AND STRAIGHT TO THE ER, A CATSCAN SHOWED A 10MM MASS , YES OVARIAN CANCER GO FIGURE , I SAY ALSO GET BACK TO BASICS CONDOMS THE MOST SAFE EFFECT BC YOU COULD EVER USE PERIOD!