I was on the depo for a year.. I missed my shot Jan.2012...I was having irregular periods...I got on the pill in April to regulate my periods i stopped taking the pill in May and i had regular periods then.. My period was July 24/25 and i had sex Aug.10.. I missed my period this month.. Am i pregnant? Should i got take a test.. Ive been cramping but no periods.. I get headaches naseous cravings.. I took a test like on the 21/22 was it too early?! Can please someone help me?