 [ Symptoms ] when do i do a pregnancy test while i have a nuvaring  i do not cycle off of the nuvaring so that i do not get periods which give me unbearable cramps i over think things a lot i question if my birth control is working properly i took many pregnancy tests over the last 3 days due to the fact that for the first day it said i was positive and the next 2 days it said i was negative i did have some vaginal bleeding first day i am getting a blood test but i heard results are only accurate a few days before a period and i do not know when my period is [ Disease ] also if you are gluten intolerant you can compensate for iron and other nutritional demands of body by taking more of foods like fruits vegetables meat and poultry fish and seafood dairy beans legumes and nutshope this helps