Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1162 page)

BOOK: Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis
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   Natural steroid hormone that induces secretory changes in endometrium, promotes mammary gland development, relaxes uterine smooth muscles, blocks follicular maturation, and maintains pregnancy. Hormone synthesized by the ovary; low in follicular phase but increases to 10–40 mg/day during luteal phase and ≤300 mg/day if pregnancy occurs.
   
Normal range:
see Table 16.68.

TABLE 16–68. Normal Ranges of Progesterone

   Use
   Detection of ovulation in the evaluation of the function of the corpus luteum
   Monitoring patients having ovulation during induction with hCG, human menopausal gonadotropin, FSH/LH-releasing hormone, or clomiphene
   To evaluate patients at risk for early abortion
   Interpretation

Increased In

   Luteal phase of menstrual cycle
   Luteal cysts of the ovary; ovarian tumors (e.g., arrhenoblastoma)
   Adrenal tumors
   CAH caused by 21-hydroxylase, 17-hydroxylase, and 11-beta hydroxylase
   Molar pregnancy

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