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What is The most common cause of Anovulation is: and explain in detail?
WHO Classification for Anovulation Hypothalamic pituitary failure: Hypogonadotropic Hypogonadism Hypothalamic pituitary dysfunction/PCOS: Normogonadotropic Hypogonadism Ovarian failure: Hypergonadotropic Hypogonadism Hyperprolactinemia Anovulation and ovulatory dysfunction can be caused by a number of factors. The most common cause of ovulatory dysfunction is PCOS. Other potential causes of irregular or absent ovulation: Obesity Underweight Extreme exercise Hyperprolactinemia Premature ovarian failure Perimenopause, or low ovarian reserves Thyroid dysfunction Extremely high levels of stress