Eng Book- Menstrual Disorders- Download Free PDF

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NORMAL MENSTRUATION
 Cyle length: marked variability in women not using
oral contraceptives.
 5
th-95th centile being 23 – 39.4 days.
 Mean duration 29.6 days.
 Cycle length decreases with advancing age.
 Abnormal menstruation: bleeding at any time outside
normal menstruation and any variation outside the
defined limits.
 Acyclical bleeding – pre or postmenopausal bleeding.