LH concentration is used in the assessment of dysfunctions within the hypothalamus-pituitary-gonads system. The determination of LH in conjunction with FSH is utilised for the following indications: congenital diseases with chromosome aberrations (e.g. Turners syndrome), polycystic ovaries (PCO), clarifying the causes of amenorrhea, menopausal syndrome, and suspected Leydig cell insufficiency.
No known common methodological interferences.
Male (adult): 1.7-8.6 U/L
Female (adult):
Follicular phase: 2.4 - 12.6 U/L
Ovulation phase: 14.0 - 95.6 U/L
Luteal phase: 1.0 - 11.4 U/L
Postmenopausal: 7.7 - 58.5 U/L
Reference ranges based on 5th - 95th percentile interval
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