2 missed periods neg pregnancy test muscle and just plain fatigue on and off abdominal cramps constipation and vivid dreams and bloating. diagnosis?

See details: If your pregnancy test is negative, you are probably having anovulatory cycles. This can be caused by a variety of hormone problems associated with the reproductive system. thyroid, and others. You need to see a GYN to have a thorough history, exam, and blood tests. Additional testing such as an ultrasound might be required depending on the results of your visit.