研究结论和讨论部分指出，本研究表明对于年龄 < 40 岁的 DOR 患者，IUI+OS 联合 IVF 治疗相比单纯 IVF，有更高的临床妊娠成功率，持续妊娠和活产率也呈现出更高的趋势，且早期流产率更低。然而，研究也存在局限性，如观察性研究设计可能存在指示性混杂偏倚，尽管 IV ...

美联储在本周的政策会议上将基准联邦基金利率维持在4.3%左右不变，该央行正在评估特朗普 (Trump)政府在贸易、移民、支出和税收方面的一系列政策变化可能如何重塑经济前景。最近几周，受联邦政府削减开支和提高关税的消息影响，消费者信心有所下降。

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Before going to the tax rates of salaries tax and personal assessment, you may want to know how to calculate the amount of tax you should pay. This article will also tell you the standard rate and ...