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试纸返潮会影响結果 同房后最少10天早孕试纸才能测出来

发布日期：2022-09-12 18:00:35编辑：美清

不论是急切迎来小生命的夫妇，或是没准备好怀孩子但没采用避孕方法或不小心怀孕了的小夫妻，在行房以后最迫切想要知道的，也许全是这一难题的回答了。目前市面上售卖的测怀孕试纸一元多一条，测孕棒10多元化一支，价钱不贵并且便捷好用，很多着急想要知道結果的女性都是会买回来检验自身是否怀孕了。妇产科医生权威专家提示，应用测怀孕试纸的時间、试纸的储存地址及其测试时人体的一些状况都很有可能会危害检测的結果。

八成女性到医院门诊测怀孕前使用过试纸

当女性怀孕期间，胚胎会代谢一种叫身体hcg促性腺素(HCG)的化学物质。

目前市面上售卖的迅速测怀孕商品中，不论是怀孕初期试纸或是测孕棒，绝大多数基本原理都同样：全是根据检测女性小便中HCG的浓度值来分辨是否怀孕了，试纸上发生第一道横杠表明试纸早已消化吸收到小便，假如发生了第二道横杠，则表明检验結果为呈阳性，小便中带有HCG。“一切正常状况下，在怀孕期间的第六至七周之前，孕妈妈身体的HCG第二天便会翻番。小便中HCG浓度值越高，第二道横杠的颜色也就越重。”

这种商品现在在孕产妇中的应用很广泛，每日到医院查验是否怀孕了的女性中，有80%早已自己在家测试过。“应用怀孕初期试纸应当注重“天和”、“地利人和”、“人与”，才可以不会发生把“有”当做“沒有”的假阴性，或是把“沒有”当做“有”的阳性。

怀孕期，因为维护保养试管胚胎生存条件“平稳”的必须 ，子宫壁也中止了它的规律性剥落流血，子宫壁的鳞状上皮细胞在月经周期时间所必经之路的“损害”－“修补”－“再损害”－“再修补”的全过程会临时终止，产生病变的机遇也与此同时降低了。

据相关科学研究，卵巢癌在高收益而不生孕的女性中较为普遍，并常常随着例如肥胖症、糖尿病患者、血压高等代谢病。

同房后最少10天才可以查出来結果

有怀孕初期测试商品声称在猜疑孕期的当日就可以用试纸检验，一些着急想要知道“造娃”結果或不愿那么即将小孩的两口子在行房第二天就匆匆忙忙地买试纸来检验，結果通常是看不见第二道横杠的发生，但这并不表明一定沒有孕期。

在这个时候，基本上无法用怀孕初期试纸测到到底是否怀孕了，由于精卵融合成精卵结合、进入子宫中受精卵着床、产生试管胚胎必须 好几天的時间，在怀孕几天后HCG才会发生在血夜里，并且由于量少，一开始不一定查得出去。

迫不得已做小便检测，展现的阴性反应可能是不正确的。

要想尽快了解精确的結果，参照这两个方式来时间计算：

之上次来月经時间为规范：假如月经一向较为准，并且周期时间在28－30天，那麼在月经晚到后的第三至5天，试纸就可以验到弱阳性了。

例如，月经周期时间是30天，上一个月11日来月经，以后行房过，那麼在这个月11日后的第三至5天，也就是14日至16日上下，可以用怀孕初期试纸检验。但针对月经禁止的女性而言，这一方式不适合。

以同房时间为规范：假如一次行房使女性取得成功怀孕，那麼在同房后10天用怀孕初期试纸测能够测到弱阳性，要获得清楚的結果，则一般要直到14天之后。

此外，尿液中的HCG的浓度值较高，最好用早上起床后的小便来开展测试。

试纸返潮会影响結果

选购怀孕初期试纸或测孕棒应当挑选靠谱厂家生产的，选购时要留意包裝是不是完好无损，带到家里后要防止在湿冷的地区储存。

应用前注意商品是不是依然在有效期限内。因为早孕测试商品的应用地址大部分是在卫生间，在拆卸应用时还要留意尽量减少让试纸返潮，危害結果。

促排卵的药能致“乱报喜报”

本人实际操作上和人体上的一些要素，也很有可能会造成 获得的結果不精确。

检测时要按使用说明的标示开展，一般是把试纸的棉球一头在小便中泡浸6秒左右，再把试纸放置静放五分钟再看結果，“假如这两个程序流程沒有开展充足的時间，都很有可能会使试纸不足時间反映，发生假阴性。”

又或是有一些急着赶紧用怀孕初期试纸做检测的女性，很有可能会在短期内内喝下很多的水来让自身小便，反倒很有可能会淡化小便中HCG的成分，让检测的結果不精确，也很有可能会发生假阴性。

“也有一些状况是试纸上实际上早已发生了第二道横杠表明弱阳性，但由于小便中HCG的成分很低，第二道横杠的颜色十分浅，一些人不掌握，见到颜色很浅或是压根没留意到，认为沒有孕期；但假如把试纸取得医院门诊来，大家有工作经验的医师看过就了解能看得出来那一条浅浅的横杠。”

也有一些人体上的特殊情况则会造成 试纸“乱报喜报”。刘明星说，女性人流后的一个月内，身体依然存有HCG，此刻检测会发觉呈阳性。

此外，一些不孕不育症的患者必须 注入HCG来推动排卵期，在注入后的一个星期后HCG检测才会转阴。

“有的不孕不育症患者打过HCG后回家了马上行房，第二天起來用怀孕初期试纸一测发觉有两道杠，十分高兴。結果过几天再测几回，发觉第二条杠的颜色愈来愈浅了，很急。实际上这表明以前的結果并不是因为孕期，只是注入了外源HCG导致的。”

测到怀孕应尽早孕检

怀孕初期试纸只有对小便中HCG成分开展判定的检验。即便 HCG呈阳性的确是由孕期造成的，怀孕初期试纸只有对你怀了，而没法对你说怀得怎么样、部位怎样，由于生化妊娠、葡萄胎等畸形胎儿的状况也会使HCG检验呈阳性。因此 用怀孕初期试纸检验出怀了孕，应当尽早到医院门诊开展各类孕期检查。

假如检测后发觉试纸上面有发生第二道横杠但颜色“浅浅的”，可能是弱阳性，应当先假定自身怀了孕，能够携带那张试纸到医院门诊找医生咨询，或是到医院门诊抽血化验做HCG成分定量分析查验。假如测试結果是呈阴性，可一个星期以后月经还没有来，一样特别注意。

早孕的症状包含恶心想吐、反胃、疲劳乏力、没精打采、胸部肿胀、挑食、总想睡觉等。假如你发生了这种病症而试纸测试結果是呈阴性，也应当去医院检查查验。

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