You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The following are the features of anovulatory menstruation except : and explain in detail?
Anovulatory DUB is characterised by irregular cycles,sho cycles with scanty flow or periods of amenorrhoea followed by prolonged and irregular bleeding Usually due to alteration in the hypothalamic-pituitary axis.More common in extremes of reproductive life and in PCOS. There is unopposed oestrogen stimulation of the endometrium and this Oestrogen withdrawal bleeding is characteristically painless irregular and prolonged,lacking the synchronous nature of normal menstruation. Reference :textbook of gynaecology, Sheila balakrishnan, 2nd edition,page 50