Nuva ring

Eva • Momma to Gracelynn brooks and a little baby in heaven✨ With the man of my dreams for 8 years🖤
How well does the Nuva right work if used correctly? Has there ever been any complications with the ring? I can't help but think I've seen commercials about something wrong with it. I'm going to the doctor soon and I'm thinking about getting the Nuva ring. A little skeptical.