I am at a loss and this might be long but here goes. I am a 40 year old woman and I had my period on December 27-29 and should of had my period on January 20 or 23 but nothing and still nothing. Multiple tests have did negative. I have had my tubes tied for nine years but there is always a chance for something to happen. Know a few women that have had theirs tied for longer then me and it has happened to them. Just curious to see what you all might think is going on or what I need to do. Any help would be greatly appreciated.