I do research in theriogenology and am probably editing pages to that effect.
I have a friend that going thought this ,she firmly believes that she pregnanct,veen though her husband was fix 21 years ago. She had 2 althougha sounds showing no baby.and she still believes she is. I believe that she is going through this flase pregnacy,cause she depress by a lot of things going on with her and around her. her and her husband are having marridal problems and I think that she hoping that she is so her and her husband will be close again. for both there sake I hope she not cause this could only leads to more problems ,maybe even a divorce.