"Dr Peter Came Home N Check Elvis Presley On Gastric Disease"
- D - Delayed Puberty
- P - Pregnancy b4 menarche
- C - Cerebral cortex (stress, emotional disturbances, infection)
- H - Hypothalamus (kallman's syndrome, vigorous exercise, weight loss)
- N - Nutrition (weight loss, overweight, malnutrition)
- C - Chromosomal (Turner's syndrome, intersex)
- E - Endocrine glands (juvenile diabetes)
- P - Pituitary (empty sella turcica, frohlich syndrome, cushing's disease)
- O - Ovary (Turner's syndrome, PCOD)
- G - Genital tract (absent uterus, obstruction)
- D - Drugs (tranguilizers, antihypertensives, estrogen, metoclopramide)