I had a problem I last see my normal periods on November 2015 on December I had 1 day period instead of 5 day and again by 31st December I had 1 day period as well is this normal or? Iam confused please help if iam pregnant how can I see how far is it..... I took pregnant test 3 times but its shows negetive sometimes i feel nausea and headache please help me..