I am over two weeks late on my period. I have always been regular. Im not under any unusal stress, haven't changed my diet or weight, haven't been recently ill and haven't been on any medication. I have taken countless pregnancy tests and they have all came out negative. I feel some of the pregnancy symptoms and I have heard that sometimes it takes a long time for the hcg levels to develop in some women.. Has this ever happened to anyone before? :confused: