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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		Irregular Ovulation Irregularities in the menstrual cycle are an important indicator of possible ovulatory dysfunction and the following table describes some of the irregularities that may occur. Terms Definitions Primary amenorrhoea Absence of initial menses Secondary amenorrhoea Absence after initial menses has been established Cryptomenorrhoea Menses occurs, but outlet obstruction prevents discharge from the body Oligomenorrhoea Menses occurring at two to five month intervals Polymenorrhoea Two or more bleeding episodes in a 26-day interval Hypomenorrhoea Reduction in the number of days of flow or the amount of menstrual flow Hypermenorrhoea Excessive flow or increase in number of days of flow
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