###Human: My period is irregular after abortion. Is that due to PCOS or uterine cancer? ###Assistant: Hello. I doubt that you have PCOS which is the most common cause of irregular cycle in young age like you. Secondly, it is not necessary that hormonal levels become abnormal always to make a diagnosis of PCOS. It could be a clinical diagnosis as well as based on the presence of irregular cycles and ultrasound evidence of polycystic ovaries. The main cause of heavy bleeding is that when one does not get periods regularly the lining of the womb becomes thicker and when it sheds it causes heavier and prolonged bleeding. And the thick endometrial lining is one of the risk factors for the development of endometrial cancer in later life. But it does not develop at early ages commonly. It is usually a problem of menopausal women, but PCOS is one of the risk factors for development. So it has been recommended to regularise your cycle with the help of pills to avoid heavier bleeding and regular shedding of the lining of the womb. I hope it has helped you. If you require any further queries, please do not hesitate to contact me.