 [ Symptoms ] i took 2 pregnancies tests at home that were positive i went to the dr and blood test said not pregnant i am confused my period was 2 days late but i did get it for 3 days could i still be pregnant [ Disease ] any doctor will tell you do not use a medication if it is expired even otc meds i used to work in the medical field i will say things were more strict back then but expired drugs has not changed much hope this helps