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  • Title: [Endocrine differences between patients with luteal phase deficiency and inadequate endometrial response].
    Author: Xu M, Zhang Z, Jiang S.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 1997 Mar; 32(3):141-4. PubMed ID: 9596886.
    Abstract:
    OBJECTIVE: To study the difference of endocrine characteristics between patients with luteal phase deficiency (LPD) and inadequate endometrial response (IER). METHODS: Serum estradiol (E2), progesterone (P), follicle-stimulating hormone, luteinizing hormone and prolactin levels were determined by radioimmunoassay in cycles of LPD, IER and normal controls. Contents of endometrial cytoplasmic estradiol receptors (ERc), nuclear estradiol receptors (ERn), cytoplasmic progesterone receptors (PRc) and nuclear progesterone receptors (PRn) were determined by dextran coated charcoal assay in the same cycle. RESULTS: Serum E2 and P levels in the luteal phase of patients with LPD were significantly lower than those of normal group (P < 0.001), no significant difference of endometrial estrogen receptor and progesterone receptor contents was found between the two groups (P > 0.1). Serum E2 levels in both follicular and luteal phase of IER patients were significantly lower than those of normal groups (P < 0.001), but serum P levels in luteal phase of the two groups showed no difference (P > 0.1). The contents of ERc and PRn in proliferative phase and PRc contents throughout the menstrual cycle were also lower than those of the normal group (P < 0.001, < 0.001 and < 0.05 respectively). CONCLUSIONS: These results indicate that LPD and IER are two distinct entities in terms of endocrine characteristics. To distinguish underdeveloped endometrium caused by either LPD or IER is the key to choose appropriate treatment.
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