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胎儿为什么会喜欢臀位 这是好动宝宝的典型特点

发布日期：2019-01-12 16:37:56编辑：Rainbow

就对于很多孕妇来说，在孕早期和孕中期的时候要注意饮食和营养的补充，因为和这个胎儿宝宝健康发育有着很大的关系，而到了孕后期的时候更多的关注点就在宝宝的日常胎动和临近预产期的入盆以及胎位是否正的问题。确实，十月怀胎不是一件容易事儿，对于很多孕妇来说是精细但是潜在的还是紧张。

特别是到了孕后期，为了让预产期准时到来，各位孕妈在孕后期不管是睡姿也好还是运动也好都开始注意，因为这些和胎儿的胎位以及入盆有着关系。很多孕妇表示在孕后期预产期降至了，胎儿原本正常的头位却突然变成了臀位，就关于这一现象很多孕妈都是想不明白，下面我们就来说说胎儿为什么会喜欢臀位这件事儿。

胎儿为什么会喜欢臀位

一般情况来说，利于顺产的最好胎位就是头位，头位的意思就是说胎儿入盆的时候采取的是头朝下、身体蜷缩的姿势，这个时候胎位已经固定，但是对于部分胎儿宝宝来说还是会发生临近预产期头位变为臀位的情况。在8个月左右的时候正常情况胎儿的头都是朝下的，这也和子宫内的活动空间有关系。

胎位正的话一般顺产的时候都是头先露，而差不多有97%的宝宝都是以这样的姿势出生的。但是也不排除有的宝宝喜欢臀位，用臀位的姿势出生，常见就是脚先出来。通常来说在孕后期医生会测量你的骨盆宽度、胎儿大小、胎儿的胎位等。而对于胎位正不正，对于很多有经验的医生来说，只需要摸一摸便可知晓。

一般观察胎位正或者是入盆的话都是采用B超观察确定宝宝的位置，而有的医生会触摸你的小腹部来感觉宝宝的头和后背以及屁股的所在位置，以此判断胎位。但是最准确的话还是B超，其次就是内检，看看宝宝的哪个部位在你的骨盆。考虑到有的宝宝头位转臀位究竟是为何，这个是没有客观原因的。

简单来说，只要子宫内还有足够的活动空间，宝宝在胎动的时候就上下乱动，有时候是满足顺产的头位，但是有的胎儿宝宝并不是很喜欢这个姿势，故此也就会将屁股朝下坐下来。这个原因不能够简单说为是宝宝喜欢，其次还和妈妈骨盆原因有关系，宝宝入盆不了也会采取臀围。而这个就和孕后期的运动、胎教也有诸多关系，建议在孕期妈妈们也不要闲着，多运动散散步，给宝宝做做胎教等。
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