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Los valores normales en las mujeres varían dependiendo de cuándo se hace el examen. Los niveles se elevan permanentemente durante el embarazo y fluctúan desde 40 a 100 miligramos en 24 horas.
Los niveles más bajos se encuentran durante ciertas fases del ciclo menstrual y después de la menopausia.
En los hombres, los valores normales fluctúan desde 0.1 a 0.7 miligramos por 24 horas.
Los niveles superiores a los normales pueden deberse a:
Los niveles inferiores a los normales pueden deberse a:
Lobo RA. Reproductive endocrinology: neuroendocrinology, gonadotropins, sex steroids, prostaglandins, ovulation, menstruation, hormone assay. In: Katz VL, Lentz GM, Lobo RA, Gershenson DM, eds. Comprehensive Gynecology. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2007:chap 4.
Lehmann HP, Henry JB. SI units. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. Philadelphia, Pa: Saunders Elsevier; 2006:appendix 5.
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