I had irregular periods, so when consulted a doctor she put me on prometrium 200mg (have PCOs)and I used it for 4 months consecutively..Meanwhile I had thyroid problem so doctor put me on synthroid...Now I am fine but still taking synthroid..this month I had a missed period and when got pregnancy test done on the 2nd day of missed period got result negative..but i have pregnancy symptoms like nausea,menstrual like cramps,sudden dizziness,breast pain.did I test early ? my period is supposed to be on 23rd of this month..still did not get...Am i pregnant?