In a few cases the conceptus will be older and the dose involved may be considerable.

少数情况下，当受到的剂量可能相当大的时候，胚胎会受到影响。

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Delayed implantation occurs when the conceptus enters a state of suspended animation at the blastocyst stage of development.

延迟着床是指胚胎在发育到胚泡阶段时暂时进入休眠状态，并不立即着床。

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Conceptus also said the stronger greenback and company initiatives related to competitive trials have also hurt its bottom line.

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Over the course of trading on Thursday and Friday last week, Conceptus shares rose 76% following news on Oct. that the company completed its first profitable quarter.

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After the market closed Thursday Conceptus, which makes a nonincisional permanent birth control method, cut its second-quarter and full-year outlooks, citing the weak economy and high unemployment, which it said is causing would-be patients to put off their doctor visits.

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