懷孕一般幾天能測出來
精子(zi)(zi)游入(ru)子(zi)(zi)宮的(de)時間(jian)大(da)概需要(yao)(yao)24小時,然(ran)后精子(zi)(zi)與卵(luan)子(zi)(zi)結(jie)合成受精卵(luan)的(de)時間(jian)大(da)概要(yao)(yao)3天(tian)(tian)(tian),之后受精卵(luan)在(zai)(zai)子(zi)(zi)宮著(zhu)(zhu)床,這個(ge)過(guo)程需要(yao)(yao)5-7天(tian)(tian)(tian),等到(dao)著(zhu)(zhu)床成功(gong),才(cai)算是受孕成功(gong),而普通(tong)的(de)驗孕棒是在(zai)(zai)著(zhu)(zhu)床成功(gong)的(de)3天(tian)(tian)(tian)后才(cai)測(ce)得出(chu)懷(huai)孕跡象,所以從同房日開始起計(ji)算,需要(yao)(yao)12-14天(tian)(tian)(tian)才(cai)能測(ce)出(chu)是否懷(huai)孕。(精子(zi)(zi)在(zai)(zai)子(zi)(zi)宮里可存活2-3天(tian)(tian)(tian),如果女性在(zai)(zai)同房后3天(tian)(tian)(tian)才(cai)排卵(luan)的(de),那么測(ce)出(chu)的(de)時間(jian)還(huan)要(yao)(yao)往后推(tui)3天(tian)(tian)(tian)。)...
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