pregnant while on mirena ?

Chazzy
Any stories ladies i feel i may be pregnant im usually right when i feel like that ive been on mirena since oct of last year ( TMi ) LO says hes felt my bc the last we've had sex ive been extremely nauseous especially when i drink water 😰 or randomly through the day the test came back negative but it could possibly be early i even look it 
Any Advice ladies i have an appointment the third but i was thinking of going to the er just to make sure