The fun and games don't stop in my house when it's that time of the month. It's everyday at least twice a day 24/7. This last time i didn't get another ring as soon as I needed bc my perscription ran out and I had to make and appointment with the doctor first. So, there was about 5 days after my last period where we were completely unprotected. As soon as I got the ring I put it in. But, I have been feeling nauseous the last five days and my boyfriend pointed out that my boobs look bigger. Not sure what to do. Will Nuva Ring cause a miscarriage if I leave it in? Will it cause one if I take it out? I don't know what to do. Really don't want to cause any harm to this baby if I am pregnant but don't want to stress myself out if I'm not.