根据世界卫生组织的定义，一对夫妇12个月以上未采取任何避孕措施，性生活正常却未孕，就属于不孕不育。女性称为“不孕症”，男性称为“不育症”。
Do I need a Prime membership to shop Amazon's Big Spring Sale?Prime Day, Amazon's flagship July sale, and Prime Big Deal Days, Amazon's holiday season kick-off sale, both require a Prime membership to shop all of the savings. Amazon's Big Spring Sale, on the other hand, doesn't require a membership to shop. That being said, in previous years, we've spotted Prime-exclusive savings, so being a Prime member is still your best bet to taking full advantage of the sale.。关于这个话题，heLLoword翻译官方下载提供了深入分析
，这一点在WPS下载最新地址中也有详细论述
Keep reading for $1What’s included。WPS官方版本下载对此有专业解读
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