如何知道自己怀的是男孩还是女孩？

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共同创作者是 Jennifer Butt, MD

参考

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恭喜，你的家庭即将增添新成员！准父母总是会兴致勃勃地猜测肚子里的宝宝是男是女，你可能很想快点知道答案。那么，你来对地方了！下面会告诉你辨别胎儿性别的民间方法和科学方法，帮助你获得最准确的信息。

方法 1
方法 1 的 2:

民间方法

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  1. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/a\/ac\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-1-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-1-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/ac\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-1-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    男孩的头骨较大而平，女孩的头骨较小而圆。虽然没有科学证据支持这个理论，但是这样猜测胎儿性别还是很有趣的。 [1]
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/4\/40\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-2-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-2-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/40\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-2-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-2-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    胎心率每分钟少于140次，生男孩的几率更大；胎心率每分钟多于140次，生女孩的几率更大。医学界很久以前就已经驳斥了这一说法。当然，私底下记录自己宝宝的心率并做出推测并无害。 [2]
    • 胎心率随着胎儿在子宫里成长和发育，会一直保持在固定的范围，不会因为性别而有所不同。
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/10\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-3-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-3-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/10\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-3-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-3-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    肚型尖凸是男孩，肚型浑圆是女孩。事实上，孕妇的肚子形状取决于胎儿在子宫里的位置，而非胎儿的性别。 [3]
    • 当然，观察自己的肚子形状并无害。但是，不要只凭肚子的形状或大小就判断自己怀男孩或女孩。
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/b\/b9\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-4-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-4-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b9\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-4-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-4-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    孕期体内激素的变化引起体表皮肤色素沉着，所以大部分孕妇肚子上都会出现一条黑色直线。根据民间说法，黑线停在肚脐是怀女孩，黑线往上直达胸部是怀男孩。这一说法没有科学依据，但是观察一下也很有趣。 [4]
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/c6\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-5-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-5-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c6\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-5-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-5-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    这个说法不正确，因为大部分孕妇乳头颜色变深是孕期体内的激素变化造成。 [5] 当然，如果你只是为了好玩，也可以姑且相信一下。
    • 乳头颜色和肚子上的黑线一样都是激素沉着造成的。痣和雀斑的颜色也会变深。
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/78\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-6-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-6-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/78\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-6-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-6-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    摸摸自己的乳房，看看左右是否大小不一。根据民间说法，左边乳房比较大是怀女孩，右边乳房比较大则是怀男孩。虽然没有依据，但是自我娱乐并无害。 [6]
    • 乳房变大是非常长见的孕期特征，但是跟胎儿性别无关。
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/4\/42\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-7-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-7-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/42\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-7-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-7-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    [7] 事实上，怀孕期间长痘跟胎儿性别无关，而是体内的激素变化造成的。 [8]
    • 根据自己的皮肤情况猜测胎儿性别十分有趣，但是不要当真，毕竟缺乏科学依据。
  8. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/10\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-8-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-8-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/10\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-8-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    这种说法完全不正确，孕妇的身体会在怀孕期间经历许多变化，皮肤变得干燥和瘙痒都是常见的孕期特征。 [9]
  9. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/03\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-9-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-9-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/03\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-9-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-9-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    这个民间说法很有趣，但是不可当真。许多孕妇会在怀孕期间对某些食物产生特别强烈的渴望，但是这通常跟身体所需的营养有关。想吃薯片多过冰淇淋跟胎儿性别无关。 [10]
    • 开玩笑地将对甜食或咸食的渴望归咎于胎儿没什么不对，不要当真就好。
  10. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/2c\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-10-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-10-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2c\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-10-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-10-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    [11] 这是完全错误的。情绪波动是常见的怀孕特征，跟胎儿性别无关。 [12]
    • 孕期常见的 情绪波动 是为人父母的压力造成的，跟胎儿是男是女无关。
  11. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/dc\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-11-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-11-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/dc\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-11-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-11-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    只要对照怀孕的年龄和时间，就能推算出怀的是男是女。当然，这些老黄历并不准确，但是推算一下也无妨。 [13]
    • 你可以在网上搜索到中国和玛雅人的古代历法。
  12. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/b\/bb\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-12-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-12-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bb\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-12-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-12-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    混合液起泡并发出嘶嘶声表示怀的是男孩，没有任何反应则是怀女孩。 [14] 这个方法没有依据，但是如果你不介意尿在杯子里，那么试一下也无妨。
  13. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/c0\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-13-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-13-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c0\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-13-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-13-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    握着钥匙头捡起来表示怀女孩，握着钥匙柄捡起来表示怀男孩。当然，这个方法没有任何科学依据，但是如果你感到好奇，试一试也无妨。 [15]
    • 握着钥匙中间捡起来很可能是怀双胞胎。
  14. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/f\/f0\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-14-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-14-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f0\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-14-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-14-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    吃了大蒜后没有体味，那么怀的就是女孩。这个方法绝对没有科学依据，但是想尝试的话也无妨。 [16]
    • 大蒜的气味非常强烈，所以吃了一瓣大蒜后，身体容易散发出蒜味，跟胎儿的性别无关。
  15. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/09\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-15-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-15-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/09\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-15-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-15-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    用绳子系着戒指，孕妇平躺在床上，找个人拿着绳子让戒指在孕肚上摆动。如果戒指转圈，那么怀的是女孩。如果戒指像钟摆一样摆动，那么怀的是男孩。这个测试没有任何依据，但是非常好玩。 [17]
  16. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/80\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-16-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-16-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/80\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-16-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-16-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    许多准爸爸也会跟着伴侣一起体重增加，但是跟胎儿性别无关。 [18] 这种现象被称为拟娩综合征，本不该怀孕的准爸爸们也出现了类似怀孕的症状。
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方法 2
方法 2 的 2:

科学方法

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  1. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/09\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-17-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-17-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/09\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-17-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-17-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    怀孕约20周时，医生可以做一次详细的超声波检查，辨别出胎儿性别。 [19]
    • 在孕20周，医生会在超声波检查观察胎儿的生殖器官，鉴定出胎儿的性别。 [20]
    • 这是辨别胎儿性别最准确的方法。
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/2c\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-18-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-18-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2c\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-18-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-18-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    一旦你至少怀孕9周，就可以抽取少量血液，检测是否有Y染色体的存在。如果有，完全可以确认你怀的是男孩。如果没有，你很大可能怀的是女孩。 [21]
    • 医学专家认同这个检测非常安全，不会影响孕妇或胎儿。
    • 胎儿DNA检测的准确率高达98%，所以你可以放心地相信医生鉴定出来的结果。
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/23\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-19-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-19-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/23\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-19-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-19-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    虽然要至少怀孕14-15周才能清楚看到胎儿的生殖器，但是一些医学专家可以通过分析生殖结节的角度，对胎儿性别进行有根据的推测。男孩的生殖结节一般往上翘，女孩的生殖结节通常和脊柱线平行或朝下。 [22]
    • 研究显示Nub理论的准确率约87%，算是相当可靠的胎儿性别鉴定方法。
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/3\/3e\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-20-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-20-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3e\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-20-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-20-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    严重晨吐：一项研究显示怀女孩的孕妇会有更严重的晨吐症状，但是研究数据还未能盖棺定论。 [23] 如果你的晨吐症状非常严重，很可能是因为怀女孩。
    • 记住，晨吐是非常常见的怀孕特征，尤其是在怀孕初期。 [24] 恶心和呕吐的严重程度因人而异，不一定跟怀男孩或女孩有关。许多怀男孩的准妈妈也有严重晨吐。
    • 有些人认为出现晨吐症状表示准妈妈身体不健康，但是这是完全不对的。
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/ca\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-21-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-21-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/ca\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-21-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-21-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    一项研究要求孕妇们进行几项棘手的记忆与空间测试。总体来说，怀男孩的孕妇取得的测试分数高于怀女孩的孕妇。 [25] 所以，如果你的记忆力好像不如往常好，很可能是怀女孩。
    • 这个测试结果不总是准确和一致的。有些人的记忆力天生就比较好，跟胎儿性别无关。
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/f\/f2\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-22-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-22-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f2\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-22-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-22-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    压力水平 ：少量研究显示怀孕期间压力大很可能是怀女孩。 在一项研究中，研究员将生理和心理压力大的孕妇归类在一起。结果这些孕妇们生的女孩比男孩多。 [26] 如果你在孕期感到压力大，很可能会生女孩。
    • 新生婴儿降生的男女比例平均为21：20，男婴会多于女婴。在这项有限的研究中，心理压力大的孕妇生女孩的比例大于生男孩，大概在3:2，而生理压力大的孕妇生的女孩比例更是大幅高于生男孩，大概在9:4。
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/0b\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-23-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-23-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/0b\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-23-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-23-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    一项研究显示，怀男孩的孕妇热量摄入比怀女孩的孕妇高10%。 [27] 如果你觉得自己的食量 比 平时大，很可能是因为怀了男孩。
    • 记住，怀孕期间食欲大增是相当常见的现象，不能用来确定胎儿性别。 [28]
  8. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/87\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-24-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-24-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/87\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-24-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-24-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    怀女孩的孕妇过了孕早期后对特定食物的厌恶明显减少，而怀男孩的孕妇在孕早期和中期均备受这个症状所苦。 [29] 所以，如果你在怀孕期间长时间对特定食物感到厌恶，很可能是因为怀了男孩。
    • 对特定食物厌恶是在怀孕初期相当常见的现象。 [30] 在孕早期出现这种现象，不一定跟怀男孩或女孩有关。
  9. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/e\/e7\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-25-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-25-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e7\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-25-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-25-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    研究员称爸爸的基因库会影响胎儿的性别。 [31] 仔细查看准爸爸的家谱。如果他有许多姐妹，那么你怀的很可能是女孩。如果他有许多兄弟，你怀男孩的可能性很大。
    • 这个方法并非百分百准确，但不失为有趣的推测。
  10. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/b\/ba\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-26-Version-2.jpg\/v4-460px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-26-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/ba\/Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-26-Version-2.jpg\/v4-728px-Tell-if-You%27re-Pregnant-with-a-Girl-or-Boy-Step-26-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    根据Saam Ramzi Ismali博士的说法，胎盘附着于子宫左侧为女孩，在子宫右侧为男孩。这个方法让准父母在怀孕约6周就能预测胎儿性别，但是没有多少研究支持这一观点。 [32]
    • 胎儿的生殖器要到至少孕9周才会变得明显，所以有些妇产科医生并不支持Ramzi理论。
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警告

  • 民间流传的胎儿鉴定方法很有趣，但是不能当真。唯一准确的胎儿性别鉴定方法是进行医学扫描或检测，比如超声波或胎儿DNA鉴定。
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参考

  1. ↑ https://www.livescience.com/42687-skull-theory-baby-sex.html
  2. ↑ https://www.hopkinsallchildrens.org/Patients-Families/Health-Library/HealthDocNew/Old-Wives-Tales
  3. ↑ https://www.bbc.com/future/article/20120320-can-babys-bump-predict-gender
  4. ↑ https://eirmc.com/blog/entry/boy-or-girl-wacky-pregnancy-myths-about-gender
  5. ↑ https://www.hopkinsallchildrens.org/Patients-Families/Health-Library/HealthDocNew/Old-Wives-Tales
  6. ↑ https://rmccares.org/2020/08/11/pregnant-how-to-guess-if-youre-having-a-boy-or-a-girl/
  7. ↑ https://utswmed.org/medblog/gender-prediction/
  8. ↑ https://my.clevelandclinic.org/health/diseases/21792-hormonal-acne
  9. ↑ https://eirmc.com/blog/entry/boy-or-girl-wacky-pregnancy-myths-about-gender
  1. ↑ https://www.nct.org.uk/pregnancy/worries-and-discomforts/common-discomforts/gender-positions-and-cravings-pregnancy-truth-or-myth
  2. ↑ https://www.todaysparent.com/pregnancy/9-old-wives-tales-for-predicting-gender/
  3. ↑ https://americanpregnancy.org/healthy-pregnancy/pregnancy-health-wellness/mood-swings-during-pregnancy/
  4. ↑ https://rmccares.org/2020/08/11/pregnant-how-to-guess-if-youre-having-a-boy-or-a-girl/
  5. ↑ https://www.unitypoint.org/cedarrapids/infants-article.aspx?id=780967d6-a35a-4a13-9a8b-02bed57aa2db&title=Old+Wives+Tales+Gender+Predictions
  6. ↑ https://rmccares.org/2020/08/11/pregnant-how-to-guess-if-youre-having-a-boy-or-a-girl/
  7. ↑ https://www.pregnancymagazine.com/pregnancy/pregnancy-lifestyle/4-wacky-ways-to-predict-your-babys-sex
  8. ↑ https://rmccares.org/2020/08/11/pregnant-how-to-guess-if-youre-having-a-boy-or-a-girl/
  9. ↑ https://eirmc.com/blog/entry/boy-or-girl-wacky-pregnancy-myths-about-gender
  10. ↑ https://my.clevelandclinic.org/health/diagnostics/9704-pregnancy-prenatal-ultrasonography
  11. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3530251/
  12. ↑ https://services.nhslothian.scot/clinicalgeneticsservice/Information%20Leaflets/Documents/Predicting%20your%20baby%27s%20sex%20by%20testing%20fetal%20DNA%20in%20your%20blood.pdf
  13. ↑ https://utswmed.org/medblog/gender-prediction/
  14. ↑ https://pubmed.ncbi.nlm.nih.gov/30416162/
  15. ↑ https://www.mayoclinic.org/diseases-conditions/morning-sickness/symptoms-causes/syc-20375254
  16. ↑ https://pubmed.ncbi.nlm.nih.gov/15858424/
  17. ↑ https://www.cuimc.columbia.edu/news/stress-during-pregnancy-may-affect-babys-sex-risk-preterm-birth
  18. ↑ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC161555/
  19. ↑ https://my.clevelandclinic.org/health/articles/9709-pregnancy-am-i-pregnant
  20. ↑ https://www.sciencedirect.com/science/article/abs/pii/S0031938414005496
  21. ↑ https://my.clevelandclinic.org/health/articles/9709-pregnancy-am-i-pregnant
  22. ↑ https://utswmed.org/medblog/it-boy-or-girl-fathers-family-might-provide-clue/
  23. ↑ https://www.contemporaryobgyn.net/view/relationship-between-placental-location-and-fetal-gender-ramzis-method

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