OK I been having unprotected sex since November it is now may my period has been normal up into like about 3 months a go when i got my period and came off I spotted for 2 days the next month I came on and then got off and spotted for 5 days now I got my period and came off and has been spotting for 2 weeks str8 none stop constantly running to the bathroom its very light and pink or sometimes pink and brownish yea I got on depot in the middle of those 2 weeks but before that I was spotting already could I be pregnant?