I am experiencing fatigue, bloating or abdominal fullness, abnormal vaginal bleeding and irregular menstrual periods. the following also describes me: no menstrual periods. what should i do?

Many symptoms: That is a very long list of symptoms. You will need to see a doctor to start breaking down each symptoms and determining what testing is needed. A complete medical history and physical exam is the next steps. Then testing can be ordered depending on the findings. Consider a virtual visit on healthtap to help organize an evaluation.