 [ Symptoms ] herbies type 1 i need to know what i need to do differently if i have herbies oral is it just cold sores or will i get it other places also [ Disease ] hi this is from nuvaring it may help you some women miss periods on hormonal birth control even when they are not pregnant consider the possibility that you may be pregnant if you miss a period and nuvaring was out for more than 3 hours during the 3 weeks of ring use you miss a period and waited longer than 1 week to insert a new ring you have followed the instructions and you miss 2 periods in a row you have left nuvaring etonogestrelethinyl estradiol vaginal ring in place for longer than 4 weeks if you know or suspect you are pregnant do not use nuvaring see your health care provider as soon as possible hope this helps you good luck