Oseltamivir and zanamivir are "Pregnancy Category c" medications, indicating that no clinical studies have been conducted to assess the safety of these medications for pregnant women.

奥司他韦和扎那米韦对孕妇来说是C类药物，这说明还没有临床研究来评估这些药物对孕妇的安全性。

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Since 1990, the report said, pregnancy rates are down in almost every category.

工作报告还指出，从1990年起，各个年龄段的怀孕率都呈下降趋势。

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This category of asana arrest the menstrual flow and when done during pregnancy they hold the foetus safely and healthily.

这类体式会阻止经血的流动，所以在孕期练习也会有安胎的效果。

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Though here in St Paul, Republican delegates quickly and deftly pointed out that an unplanned teen pregnancy in the family just puts the Palin family in a well-peopled category of American society, and makes her look all the more human for it.

BBC: 'Stormy' dilemma for Republicans