On sep 2011 I got depo shot for not having kids... Befire that my period was pretty regular, then I stop Having my period, almost 8 months later I start having my periods but really irregular.. It stared with a week late... Then it was 2 months.. I had a period on sep 2012 and the next one was on Dec 17, 2012 and Im trying to get pregnant.. Im supposed to be 4 weeks prego... I havent taken the pregnancy test yet.. Im 2 days late alredy but I dont have any symptoms.. The only thing is that some days ago I felt really tired, the whole day.. And thenI got sick, like a cold but with a really bad headache... that last for like 4 days.. Sometimes have a pain in my abdomen but it goes fast... I really want to get pregnant.. When should I take a test..