hi all, I missed my periods by 14 days. last periods was on 15 nov. I have taken pregnancy test twice last week nd yesterday bt it came negative. I dnt knw if I m pregnant. should I wait more. many times I feel back pain stomach ache same we feel before periods starts bt after few hours pain goes. dnt knw what to do. please help. (I also want to share last month I took tablets from 9-12 nov to postpone my periods due to diwali. my actual date was 12 nov . due to postponed periods I got them on 15 nov )