My wife is 40, had 3 children. Several months ago her stomach start growing.She has her period on time every month and nothing strange during the period. She thought she was pregnet, we went to doctor, he checked her, pregnacy test negative, he couldn,t find anything by exam either. She had ultrasound , CT, even scaning for kidney done and all test were negative. No cancer , no cyst , no tumor , but no baby either. Her stomach is still growing, she even feels some movments in her stomach and she gaind about 10 lbs in two months. Her blood test was negative also. She still thinks she is pregnet, but we just don t know how is all that possible after all those test she has done. Thanks