anti-Mullerian hormone

抗苗勒管激素
  • 文章类型: Journal Article
    这项研究的目的是评估接受胞浆内单精子注射周期的卵巢储备减少(DOR)患者的空卵泡综合征(EFS)的危险因素。在这项回顾性研究中,根据取卵当天有无空卵泡,将DOR患者分为2组.患者年龄,体重指数(BMI),抗苗勒管激素(AMH),基线卵泡刺激素(FSH)和雌二醇(E2)水平,基底窦卵泡计数(AFC),总促性腺激素剂量,并将刺激日记录为危险因素。使用逻辑回归方法和ROC曲线分析评估EFS与这些变量之间的关联。BMI增加,低AMH,较高的基线FSH,低基线AFC,更高的促性腺激素剂量,诱导排卵天数延长是DOR患者发生EFS的独立危险因素。ROC曲线分析显示,BMI,AMH,基线FSH,基线AFC,更高的促性腺激素剂量,更长的促排卵天数是该组的预测参数。根据目前的研究,BMI较高,降低AMH,较高的基线FSH,较低基线AFC,更高的促性腺激素剂量和更长的诱导排卵天数是卵巢储备功能降低患者发生EFS的独立危险因素.
    The aim of this study is to evaluate the risk factors for empty follicle syndrome (EFS) in patients with diminished ovarian reserve (DOR) undergoing an intracytoplasmic sperm injection cycle. In this retrospective study, patients with DOR were divided into 2 groups according to the presence of empty follicles on the day of oocyte retrieval. Patient age, body mass index (BMI), anti-Müllerian hormone (AMH), baseline follicle stimulating hormone (FSH) and estradiol (E2) levels, basal antral follicle count (AFC), total gonadotropin dose, and day of stimulation were recorded as risk factors. The association between EFS and these variables was assessed using the logistic regression method and ROC curve analysis. Increased BMI, low AMH, higher baseline FSH, low baseline AFC, higher gonadotropin dose, and longer day of ovulation induction were independent risk factors for EFS in patients with DOR. ROC curve analysis showed that BMI, AMH, baseline FSH, baseline AFC, higher gonadotropin dose, and longer ovulation induction days were predictive parameters in this group. According to the current study, higher BMI, lower AMH, higher baseline FSH, lower baseline AFC, higher gonadotropin dose and longer ovulation induction days were independent risk factors for EFS in patients with reduced ovarian reserve.
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  • 文章类型: Journal Article
    子宫内膜异位症是最常见的妇科疾病之一。子宫内膜异位症的病理症状是盆腔疼痛。推荐的止痛药是口服激素避孕药,孕激素治疗,达那唑,促性腺激素释放激素类似物,非甾体抗炎药,和芳香化酶抑制剂.在这项研究中,我们旨在比较Dienogest(DNG)和低成本口服避孕药在骨盆疼痛的视觉模拟评分(VAS)评分以及癌症抗原-125(CA-125)方面的成本效率,抗苗勒管激素(AMH)水平,子宫内膜异位症是一种慢性疾病,需要终身管理计划。在我们的研究中,18至45岁的患者向我们机构的妇科和妇产科医生提出了超过2年的各种投诉,和子宫内膜异位症的诊断包括在内。根据给药方式将患者分为3组(每组20例):循环DNG(Visanne)或0.03mg炔雌醇联合2mgDNG(Dienille)或戊酸雌二醇联合2mgDNG(Qlarista)。我们记录了所有患者的盆腔疼痛的CA-125/AMH值和VAS评分。所有患者均知情同意。CA-125、AMH、VAS评分,所有组的囊肿大小。然而,统计,囊肿大小和VAS评分明显下降,表明所有组对治疗的反应。总之,我们认为使用具有成本效益的口服避孕药更合理,也会引起常见的副作用,而不是花费DNG,因为所有药物都具有相同的效率和成功。
    Endometriosis is one of the most frequent gynecologic disorders. The pathognomonic symptom of endometriosis is pelvic pain. The recommended pain medications are oral hormonal contraceptives, progestin therapy, danazol, gonadotropin-releasing hormone analogs, nonsteroidal anti-inflammatory drugs, and aromatase inhibitors. In this study, we aimed to compare the efficiency of costing dienogest (DNG) and low-cost oral contraceptives regarding visual analog scores (VAS) score of pelvic pain and also cancer antigen-125 (CA-125), anti-Mullerian hormone (AMH) levels, and size of endometrioma in the patients with endometriosis which is a chronic disease that requires a lifelong management plan. In our study, 18 to 45-year-old patients presented to our institution\'s gynecology and obstetrician department for various complaints over 2 years, and endometriosis diagnoses were included. Patients were divided into 3 groups (20 patients in each medication group) according to the given medication: cyclic DNG (Visanne) or 0.03 mg ethinylestradiol combined with 2 mg DNG (Dienille) or estradiol valerate combined with 2 mg DNG (Qlarista). We recorded all patients\' CA-125/AMH values and VAS scores of pelvic pain. All patients gave informed consent. There was no statistically significant difference between pre-medication and post-medication levels of CA-125, AMH, VAS score, and cyst size in all groups. However, statistically, significant decreases were seen in the cyst size and VAS score, indicating response to therapy in all groups. In conclusion, we think it is more reasonable to use cost-effective oral contraceptive medications, which also cause common side effects, instead of costing DNG since all drugs have the same efficiency and success.
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  • 文章类型: Journal Article
    目的:评估产妇多囊卵巢综合征(PCOS)的诊断和可能的相关性。
    方法:这项研究包括从马萨诸塞州东部多专业诊所招募的557名女性。我们根据医疗记录和自我报告的临床医生诊断将女性归类为“诊断为PCOS”。接下来,我们为未诊断但≥2项的女性构建了“可能的PCOS”类别:排卵功能障碍(周期长度<21天或≥35天),高雄激素血症(游离睾酮>第75百分位数),或升高的抗苗勒管激素(>第75百分位数)。我们把剩下的归类为“没有PCOS,“并比较了各组的特征。
    结果:9.7%已诊断,9.2%可能患有PCOS。对于诊断的和可能的PCOS,不规则周期的频率相似。游离睾酮和AMH可能高于诊断的PCOS。两个PCOS组的不规则周期频率和两种激素均较高。无PCOS组。诊断为PCOS的肥胖患病率是可能的PCOS的两倍(43.9%vs.19.6%),然而两组的HbA1c和脂联素相似.
    结论:可能患有PCOS的女性较瘦,但与正式诊断的女性具有可比的血糖特征,强调评估月经周期不规则的女性生化特征的重要性,即使没有超重/肥胖。
    OBJECTIVE: To assess correlates of diagnosed and probable polycystic ovary syndrome (PCOS) among parous women.
    METHODS: This study includes 557 women recruited from multi-specialty clinics in eastern Massachusetts. We categorized women as \"diagnosed PCOS\" based on medical records and self-reported clinician-diagnoses. Next, we constructed a category of \"probable PCOS\" for women without a diagnosis but with ≥2 of the following: ovulatory dysfunction (cycle length<21 or ≥35 days), hyperandrogenism (free testosterone>75th percentile), or elevated anti-Müllerian hormone (>75th percentile). We classified the remaining as \"no PCOS,\" and compared characteristics across groups.
    RESULTS: 9.7% had diagnosed and 9.2% had probable PCOS. The frequency of irregular cycles was similar for diagnosed and probable PCOS. Free testosterone and AMH were higher for probable than diagnosed PCOS. Frequency of irregular cycles and both hormones were higher for the two PCOS groups vs. the no PCOS group. Obesity prevalence for diagnosed PCOS was twice that of probable PCOS (43.9% vs. 19.6%), yet the two groups had similar HbA1c and adiponectin.
    CONCLUSIONS: Women with probable PCOS are leaner but have comparable glycemic traits to those with a formal diagnosis, highlighting the importance of assessing biochemical profiles among women with irregular cycles, even in the absence of overweight/obesity.
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  • 文章类型: Journal Article
    这项横断面观察性研究检查了症状负担之间的关联,雌激素暴露的终生持续时间,使用双变量偏倚校正的Pearson相关性和多重对应分析,HIV感染女性(n=98)的血清抗苗勒管激素(AMH)水平。大多数是黑人(85.6%)的女性样本,平均年龄为50岁(SD12.6岁),未表现出明显的生殖史因素和症状负担的相互关系,也未表现出雌激素暴露的终生持续时间和症状之间的显著关联。可以预见,老年妇女的血清AMH水平较低;然而,不可预测的是它与感染艾滋病毒的几个月的显著关系(r=-0.362),ART的月数(r=-0.270),和CD4+T细胞最低点(r=0.347)。症状-症状关系支持疲劳,疼痛,睡眠,焦虑,和抑郁症状集群。这些假设没有得到横断面观察的支持。进一步的研究应该探索HIV之间关系的变化,雌激素暴露,卵巢储备,和AMH水平随着时间的推移。
    UNASSIGNED: This cross-sectional observational study examined associations among symptom burden, lifetime duration of estrogen exposure, and serum antimüllerian hormone (AMH) levels among women living with HIV (n = 98) using bivariate bias-corrected Pearson correlations and multiple correspondence analyses. The mostly Black (85.6%) sample of women, with a mean age of 50 years (SD 12.6 years), exhibited no significant reproductive history factors and symptom burden interrelationships or significant associations between lifetime duration of estrogen exposure and symptoms. Predictably, serum AMH levels were lower among older women; however, less predictable were its significant relationships with months living with HIV (r = -0.362), months on ART (r = -0.270), and CD4+ T-cell nadir (r = 0.347). Symptom-symptom relationships support a fatigue, pain, sleep, anxiety, and depression symptom cluster. The hypotheses were not supported by cross-sectional observation. Further studies should explore variation in relationships between HIV, estrogen exposure, ovarian reserve, and AMH levels over time.
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  • 文章类型: Journal Article
    背景/目标:本文对孕酮过早升高(PPR)对冷冻策略周期妊娠结局的影响进行了调查。方法:纳入一项回顾性队列研究,包括675个IVF/ICSI周期,采用全部冻结策略。根据hCG给药时的血清孕酮水平将周期分为两组:526个周期的水平低于1.5ng/mL,而149个周期的水平等于或高于1.5ng/mL。结果:研究结果表明,在所有AMH类别中,PPR患者的成熟卵泡和卵母细胞数量均显着增加。多项分析揭示了影响PPR的因素,包括诱导的持续时间和回收的卵母细胞的数量。在相同的卵母细胞提取号组中,与非PPR患者相比,PPR患者的妊娠结局表现为非劣.根据年龄调整后,AMH,和总卵泡刺激素(FSH)剂量,PPR与累积活产率(LBR)呈正相关。结论:研究表明,PPR与回收卵母细胞的增加相关,同时保持相似的胚胎质量和卵母细胞回收率,并导致更高的累积LBR。
    Background/Objectives: This paper undertakes an investigation into the implications of premature progesterone rise (PPR) on pregnancy outcomes in freeze-all strategy cycles. Methods: A retrospective cohort study encompassing 675 IVF/ICSI cycles using a freeze-all strategy was enrolled. The cycles were categorized into two groups based on serum progesterone levels at the time of hCG administration: 526 cycles had levels below 1.5 ng/mL, while 149 cycles had levels equal to or above 1.5 ng/mL. Results: The findings revealed a significantly higher number of mature follicles and retrieved oocytes in patients with PPR across all AMH categories. Multiple analyses revealed factors influencing PPR, including the duration of induction and the number of retrieved oocytes. Within the same oocyte retrieval number group, patients with PPR demonstrated non-inferior pregnancy outcomes compared to non-PPR patients. Upon adjustment for age, AMH, and total follicle-stimulating hormone (FSH) dosage, PPR maintained a positive correlation with the cumulative live birth rate (LBR). Conclusions: The study showed that PPR correlates with an increase in retrieved oocytes while maintaining similar embryo quality and oocyte retrieval rates and results in a higher cumulative LBR.
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  • 文章类型: Journal Article
    背景:有限的研究调查了抗苗勒管激素(AMH)与代谢综合征(MetS)之间的关系,产生不确定的结果。这项研究旨在研究普通人群中女性AMH水平与MetS及其组成部分之间的关系。
    方法:这项前瞻性研究招募了769名女性。广义估计方程(GEE)模型分析了MetS分量的纵向趋势。Cox比例风险模型评估了年龄特异性AMH三元对MetS发生的影响,适应混杂因素。
    结果:GEE分析表明,与年龄特异性AMH的第一三位数的女性相比,第三三位数的女性表现出更高的平均FPG(3mg/dL;95%CI:0.40,5.60;P=0.024);但是,这种关联在调整后变得无显著性.值得注意的是,第二三分位数显示FPG平均变化随时间显著降低(-0.69mg/dL;95%CI:-1.31,-0.07;P交互作用=0.030).年龄特异性AMH的第二和第三三元组中的女性与第一三元组相比显示出更低的平均HDL-C(-2.96mg/dL;95%CI:-4.67,-1.26;P<0.001和-2.63mg/dL;95%CI:-4.31,-0.96;P=0.002,分别)。HDL-C变化与第二三分位数之间的相关性在调整后仍然显着(-1.91mg/dL;95%CI:-3.68,-0.14;P=0.034)。未观察到年龄特异性AMH三元组与TG和SBP/DBP之间的显著关联。Cox模型显示,在校正混杂因素后,AMH三元之间的MetS风险比没有显着差异。
    结论:尽管MetS成分变化不大,AMH水平不影响一般人群女性的MetS风险。
    BACKGROUND: Limited studies have investigated the relationship between Anti-Müllerian hormone (AMH) and metabolic syndrome (MetS), yielding inconclusive results. This study aimed to examine the relationship between AMH levels and MetS and its components in women from a general population.
    METHODS: This prospective study recruited 769 women. Generalized Estimating Equation (GEE) models analyzed longitudinal trends of MetS components. Cox proportional hazard models evaluated effect of age-specific AMH tertiles on MetS occurrence, adjusting for confounders.
    RESULTS: The GEE analysis indicated that women in the third tertile exhibited higher mean FPG compared to those in the first tertile of age-specific AMH (3 mg/dL; 95% CI: 0.40, 5.60; P = 0.024); however, this association became non-significant after adjustment. Notably, the second tertile showed a significant decrease in FPG mean changes over time (-0.69 mg/dL; 95% CI: -1.31, -0.07; P Interaction = 0.030). Women in the second and third tertiles of age-specific AMH demonstrated lower mean HDL-C compared to the first tertile (-2.96 mg/dL; 95% CI: -4.67, -1.26; P < 0.001 and -2.63 mg/dL; 95% CI: -4.31, -0.96; P = 0.002, respectively). The association between HDL-C changes and the second tertile remained significant after adjustment (-1.91 mg/dL; 95% CI: -3.68, -0.14; P = 0.034). No significant associations were observed between age-specific AMH tertiles and TG and SBP/DBP. Cox models revealed no significant differences in the hazard ratio of MetS between AMH tertiles after adjusting for confounders.
    CONCLUSIONS: Despite minor variations in MetS components, AMH levels did not affect MetS risk in women from a general population.
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  • 文章类型: Journal Article
    背景:降低卵巢储备是乳腺癌使用化疗药物的关键长期副作用之一,产生早期卵巢功能衰竭。另一方面,维生素D是保护卵泡的重要因素,也是IVF治疗成功的重要预测因素。
    目的:这项研究的目的是评估维生素D作为一种药物,可以减少化疗的生育并发症,特别是年轻女性。
    方法:在两个癌症研究所接受化疗的乳腺癌患者被纳入本研究。病例组接受1000IU骨化三醇,在基线测量AMH水平,化疗后,化疗后六个月。主要终点是化疗6个月后AMH水平的改善。次要终点是评估化疗期间AMH水平下降的预测因素.
    结果:在2018年至2019年之间,病例组和对照组分别招募了18和15名患者,分别。病例组和对照组的平均AMH水平(ngr/ml)分别为3.16和2.37ng/mL,分别(p值=.16)。六个月后,这些水平分别为0.387和0.19(p值=0.38)。AMH在化疗周期后立即上升至化疗后6个月,病例组和对照组分别为0.86和0.44ng/mL,分别,在病例组中稍高,但两组之间无统计学意义(p值=.054)。
    结论:尽管化疗6个月后AMH水平有轻微上升,该研究未能证明维生素D对接受乳腺癌化疗的患者卵巢储备有任何保护作用.除了最佳剂量和持续时间外,还需要进一步更大的研究来评估维生素D补充剂对卵巢储备的影响。
    BACKGROUND: Reduced ovarian reserve is among the crucial long-term side effects of using chemotherapy agents in breast cancer, yielding early ovarian failure. On the other hand, vitamin D is an essential factor in protecting the follicles and an important predictive factor for successful IVF therapy.
    OBJECTIVE: The aim of this study is evaluation of vitamin D as a agent that can reduce fertility complications of chemotherapy specially in young women.
    METHODS: Breast cancer patients undergoing chemotherapy at two cancer institutes were enrolled in this study. The case group received 1000 IU of calcitriol, and the AMH level was measured at the baseline, after chemotherapy, and six months after chemotherapy. The primary end point was improvement in the AMH level after six months of chemotherapy. the secondary endpoint was to evaluate the predictive factors of AMH level decline during chemotherapy.
    RESULTS: Between 2018 and 2019, 18 and 15 patients were enrolled in the case and control groups, respectively. The mean AMH level (ngr/ml) of the patients in the case and control group were 3.16 and 2.37 ng/mL, respectively (p-value = .16). These levels were 0.387 and 0.19 after six months (p-value = .38). The AMH rise immediately after chemotherapy cycles to six months after chemotherapy, in the case and control groups were 0.86 and 0.44 ng/mL, respectively, which was slightly higher in the case group but not statistically significant between two groups (p-value = .054).
    CONCLUSIONS: Despite a minimal rise in the AMH level after six months of chemotherapy, the study could not demonstrate any protective effect of vitamin D on patients\' ovarian reserve undergoing chemotherapy for breast cancer. Further larger studies are needed to evaluate the effect of vitamin D supplements on ovarian reserve beside optimal dose and duration.
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  • 文章类型: Journal Article
    鹿特丹2003年共识研讨会二十年后,在阐明多囊卵巢综合征(PCOS)的病理生理学和流行病学方面取得了相当大的进展.这促使人们重新审视表征这种常见状况的特征。目前的定义导致PCOS患病率的巨大异质性,并导致治疗方案和治疗结果的评估不一致。由于对卵巢功能障碍的阈值截止值和多毛症的种族差异缺乏普遍共识,诊断变得更加复杂。这两者都是当前常用定义中的关键特征。这些挑战通常导致PCOS患者及其医生对医疗护理的不满。
    我们的因子分析在数学上确定了抗苗勒管激素(AMH),相关的多囊卵巢形态(PCOM)和血清睾酮是唯一与月经周期长度变异性相关的显着簇。
    因此,我们提出了一个简化的标准,其中至少存在以下3个特征中的2个足以定义PCOS:(1)月经少发(周期长度>35天)或闭经表明的慢性排卵或无排卵;(2)PCOM:提高AMH≥37.0pmol/L,而不是经阴道超声评估卵巢;(3)雄激素过量,或提高血清雄激素高于女性的实验室参考。需要进一步的研究,以检查拟议的标准是否会减少诊断混乱,改善护理和结果,尤其是东亚种族的患者。
    UNASSIGNED: Two decades after the Rotterdam 2003 consensus workshop, there have been considerable advances in elucidating the pathophysiology and epidemiology of polycystic ovary syndrome (PCOS). This has prompted the re-examination of the features that characterise this common condition. Current definitions have led to great heterogeneity in the prevalence of PCOS and have contributed to inconsistent treatment protocols and assessment of therapeutic outcomes. Diagnosis is further complicated by the lack of universal agreement on threshold cut-offs for ovarian dysfunction and ethnic differences in hirsutism; both of which are key features in the definitions that are commonly used currently. These challenges often result in dissatisfaction with medical care among PCOS patients and their physicians.
    UNASSIGNED: Our factor analysis mathematically identified anti-Mullerian hormone (AMH), associated polycystic ovarian morphology (PCOM) and serum testosterone as the only significant cluster associated with menstrual cycle length variability.
    UNASSIGNED: As such, we propose a simplified criteria wherein the presence of at least 2 of the 3 features below would be sufficient to define PCOS: (1) chronic oligo-ovulation or anovulation as indicated by oligomenorrhea (cycle lengths >35 days) or amenorrhea; (2) PCOM: raised AMH ≥37.0 pmol/L instead of transvaginal ultrasound assessment of ovaries; and (3) Androgen excess, or raised serum androgens above the laboratory reference for women. Further studies are required to examine whether the proposed criteria would reduce diagnostic confusion and improve care and outcomes, especially among patients of East Asian ethnicities.
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  • 文章类型: Journal Article
    这项研究旨在通过男女的各种激素测试将孤立的低促性腺激素性腺功能减退症(IHH)与生长和青春期(CDGP)的宪法延迟区分开。
    睾丸体积(TV)<4ml(14-18岁)的男孩和乳腺B1期(13-18岁)的女孩被纳入本研究。详细的历史,临床检查和激素分析,包括基础黄体生成素(LH),卵泡刺激素(FSH),抑制素B,抗苗勒管激素(AMH),睾丸激素(男孩),雌二醇(女孩),进行曲普瑞林刺激试验和3天的人绒毛膜促性腺激素(HCG)刺激试验(男孩)。所有患者均随访1.5年或至18岁。进行接收器工作特性(ROC)曲线分析以确定具有灵敏度的最佳截止值,特异性,各种激素的阳性预测值(PPV)和阴性预测值(NPV),以区分IHH和CDGP。
    34个孩子(男:22,女:12),在21和13名儿童中诊断出CDGP和IHH,分别。曲普瑞林LH后4小时对鉴定两种性别的IHH具有最高的灵敏度(100%)和特异性(100%)。基础抑制素B对诊断IHH具有良好的敏感性(男性:85.7%,女性:83.8%)和特异性(男性:93.3%,女性:100%)。曲普瑞林睾酮后24小时(<34.5ng/dl),HCG后第4天睾酮(<99.7ng/dl)和曲普瑞林雌二醇后24小时(<31.63pg/ml)对鉴定IHH具有合理的敏感性和特异性。基础LH,FSH和AMH在两种性别中都是IHH的差别性。
    最好的指标是服用曲普瑞林后4小时LH,然后是抑制素B,这对区分男孩和女孩的IHH和CDGP具有合理的诊断效用。
    UNASSIGNED: This study aimed to distinguish isolated hypogonadotropic hypogonadism (IHH) from constitutional delay in growth and puberty (CDGP) by various hormonal tests in both sexes.
    UNASSIGNED: Boys with testicular volume (TV) <4 ml (14-18 years) and girls with breast B1 stage (13-18 years) were enrolled in this study. A detailed history, clinical examination and hormonal analysis including basal luteinising hormone (LH), follicle-stimulating hormone (FSH), inhibin B, anti-Mullerian hormone (AMH), testosterone (boys), oestradiol (girls), triptorelin stimulation test and 3-day human chorionic gonadotropin (HCG) stimulation test (boys) were performed. All patients were followed for 1.5 years or till 18 years of age. Receiver operating characteristic (ROC) curve analysis was performed to determine the optimal cut-offs with sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) for various hormones to distinguish IHH from CDGP.
    UNASSIGNED: Of 34 children (male: 22 and female: 12), CDGP and IHH were diagnosed in 21 and 13 children, respectively. 4 hours post-triptorelin LH had the highest sensitivity (100%) and specificity (100%) for identifying IHH in both sexes. Basal inhibin B had good sensitivity (male: 85.7% and female: 83.8%) and specificity (male: 93.3% and female: 100%) for diagnosing IHH. 24 hours post-triptorelin testosterone (<34.5 ng/dl), day 4 post-HCG testosterone (<99.7 ng/dl) and 24 hours post-triptorelin oestradiol (<31.63 pg/ml) had reasonable sensitivity and specificity for identifying IHH. Basal LH, FSH and AMH were poor discriminators for IHH in both sexes.
    UNASSIGNED: The best indicator was post-triptorelin 4-hour LH followed by inhibin B, which had a reasonable diagnostic utility to distinguish IHH from CDGP in both boys and girls.
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  • 文章类型: Journal Article
    背景:最近的一些研究表明,女性亚临床甲状腺功能减退症(SCH)与卵巢储备功能减少(DOR)相关。在这项研究中,我们旨在研究参考范围内的无血清甲状腺素(fT4)浓度是否与女性卵巢储备相关.
    方法:这项横断面研究包括4933名在我们诊所接受辅助生殖技术治疗的fT4浓度正常的不育妇女。将不同fT4浓度(即12-15.33、15.34-18.67和18.68-22pmol/L)的女性数据与卵巢储备标志物进行比较,即抗苗勒管激素(AMH)浓度,窦卵泡计数(AFC),和抽吸的卵母细胞数量。主要结果是AMH浓度和DOR的风险,诊断为AMH浓度<1.1ng/mL。
    结果:处于低值正常水平的女性的平均年龄,中等正常,高正常fT4三位数为33.20(标准偏差[SD]:5.11),32.33(标准差:5.13),和31.61(标准差:5.10)年,分别(p<0.0001)。AMH浓度(调整平均值:3.32[95%置信区间{CI}:3.16至3.50]与3.51[3.40至3.62]vs.3.64[3.50至3.80]ng/mL,p=0.022)在fT4浓度三元组之间存在显着差异。与正常四分位数相比,低正常(调整比值比:1.61[95%CI:1.01至2.58])和中正常(1.47[95%CI:1.00至2.16])四分位数的DOR风险显着增加。亚组分析显示,年龄<35岁的女性的fT4浓度三位数之间的AMH浓度存在显着差异(调整平均值:3.94[95%CI:3.70至4.20]与4.25[4.11to4.39]vs.4.38[4.18至4.58],p=0.028),而这一差异在≥35岁的女性中不显著(p=0.534)。使用fT4作为连续变量的一般加性模型表明,正常范围内较低的fT4浓度与较低的AMH浓度显着相关(p=0.027)。较低的AFC(p=0.018),吸出的卵母细胞数量较少(p=0.001),和更高的DOR风险(p=0.007)。
    结论:在不孕妇女中,正常fT4浓度低与卵巢储备功能降低有关。
    BACKGROUND: Some recent studies have shown that female subclinical hypothyroidism (SCH) is associated with diminished ovarian reserve (DOR). In this study, we aimed to investigate whether serum-free thyroxine (fT4) concentrations within the reference range are associated with ovarian reserve in women.
    METHODS: This cross-sectional study included 4933 infertile women with normal-range fT4 concentrations who received assisted reproductive technology treatment in our clinic. The data of women in different fT4 concentration tertiles (namely 12-15.33, 15.34-18.67, and 18.68-22 pmol/L) were compared with ovarian reserve markers, namely the anti-Müllerian hormone (AMH) concentration, the antral follicle count (AFC), and the number of aspirated oocytes. The primary outcomes were the AMH concentration and the risk of DOR, diagnosed as an AMH concentration < 1.1 ng/mL.
    RESULTS: The average ages of women in the low-normal, middle-normal, and high-normal fT4 tertiles were 33.20 (standard deviation [SD]: 5.11), 32.33 (SD: 5.13), and 31.61 (SD: 5.10) years, respectively (p < 0.0001). AMH concentrations (adjusted mean: 3.32 [95% confidence interval {CI}: 3.16 to 3.50] vs. 3.51 [3.40 to 3.62] vs. 3.64 [3.50 to 3.80] ng/mL, p = 0.022) were significantly different between the fT4 concentration tertiles. The risk of DOR was significantly increased in the low-normal (adjusted odds ratio: 1.61 [95% CI: 1.01 to 2.58]) and middle-normal (1.47 [95% CI: 1.00 to 2.16]) tertiles compared with the high-normal tertile. Subgroup analysis showed that AMH concentrations were significantly different among the fT4 concentration tertiles in women aged < 35 years (adjusted mean: 3.94 [95% CI: 3.70 to 4.20] vs. 4.25 [4.11 to 4.39] vs. 4.38 [4.18 to 4.58], p = 0.028), whereas this difference was not significant in women aged ≥ 35 years (p = 0.534). The general additive models using fT4 as a continuous variable indicated that a lower fT4 concentration within the normal range was significantly associated with a lower AMH concentration (p = 0.027), a lower AFC (p = 0.018), a lower number of aspirated oocytes (p = 0.001), and a higher risk of DOR (p = 0.007).
    CONCLUSIONS: Low-normal fT4 concentrations are associated with lower ovarian reserve in infertile women.
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