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			Concern Treatment Pregnancy Experiences Concern Evaluating Your Fertility Understanding Fertility Maximise Your Fertility Infertility: An Introduction Infertility in Females Impact of Age Ovulatory Classification of Disorders Clinical Features of Disorders Possible Causes of Disorders Lack of Ovulation Irregular Ovulation Polycystic Ovary Disease Inadequate Luteal Phase Prolactin Disorders Anatomical Chromosomal Disorders Other Causes (Idiopathic) Infertility in Males Implications of Infertility Questions to Ask Your Doctor		Possible underlying causes of Ovulatory Disorders Systemic disorders: Thyroid abnormalities Hyperprolactinaemia (abnormally elevated prolactin levels)  Hypothalamic disorders: Tumours Abnormalities of feedback due to: Stress Weight loss Cushing's syndrome, congenital adrenal hyperplasia Ovarian or adrenal tumours  Pituitary disorders: Tumours Abnormalities of feedback due to: Polycystic ovary syndrome (PCOS) Weight loss Infection (sarcoidosis)  Ovarian disorders: Failure: Genetic Infectious Surgical Immunological     Polycystic ovary syndrome (PCOS) Tumours
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