NuvaRing and body hair getting darker

Have used the ring for a year. In terms of admin it’s an absolute dream. Put it in and set a reminder on my phone to replace in a few weeks. Been absolutely fine for my moods and body and skin, no obvious changes. I take it back to back and have a breakthrough bleed every 3 months. However after about a year on it I’ve developed hormonal post nasal drip, which is driving me absolutely nuts because it’s constant. It’s like I’ve got hayfever. So I’m going to try stopping and see if this resolves. I’m gutted as it was such an easy contraception otherwise.