女性有了正常健康的什情排卵才能順利的與精子結合 ，從而達到懷孕的况下目的 ，很多女性在婚後準備懷孕前都會測自己的排卵排卵期 ，以保證懷孕率 。什情一般來說，况下排卵期是排卵比較固定的 ，但什麽情況下排卵會提前呢？什情這與女性的身體情況、情緒的况下變化等有關 ，比較好的排卵知道自己是否在排卵期的方式就是使用試條 。
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這個因人而異的什情,一般來說情緒,比如緊張,異地,比如你從某地到另外一個地方生活之類的都會導致排卵期的提前或後退,這個可是算不到的,它與人體內的激素分泌有關,另外女性在性興奮的時候有時也會急性排卵..想要它不提前不後退的最簡單的辦法就是吃避孕藥了 。
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月經提前排卵期會提前，况下女人每月會排卵一次 ，排卵排卵後如果那時剛好有精子在與卵子結合形成受精卵 ，什情受精卵會到子宮內在子宮內膜上著床 。况下這就是排卵懷孕了，懷孕的子宮內膜負擔著孕育生命的責任的 。如果卵子沒有與精子結合 ，它會死去的。因為卵子沒有著床也就是沒有懷孕了 。沒有受精卵著床的子宮內膜會在2周後慢慢地從子宮上脫離 ，這是我們會看到那些學一樣的東西從陰道裏流出來 。又因為它是每月來一次的 ，於是人們將它叫做月經的 ，所以說應該是先排卵在有月經的 。這也就是為什麽人們在懷孕後下次月經就不來的原因 。
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排卵期是指卵細胞和周圍卵丘顆粒細胞一起被排出的過程 。女性的排卵日期一般在下次月經來潮前的14天左右 。卵子自卵巢排出後在輸卵管內能生存1-2天 ，以等待受精 。男子的精子在女子的生殖道內可維持2-3天受精能力 ，故在卵子排出的前後幾天裏性交容易受孕 。為了保險起見 ，我們將排卵日的前5天和後4天 ，連同排卵日在內共10天稱為排卵期 。因為在排卵期內性交容易受孕 ，所以排卵期又稱為易受孕期或危險期 。
(责任编辑：休閑)
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