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。
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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