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看到很多人在问，结论也都不一致，我查了一下原文，是一个叫ramzi的医学博士对孕早期的生男生女的样本统计。结论就是男宝靠右，女宝靠左，但争论点就在于，这个男宝靠右，女宝靠左是讲的在妈妈肚子里的位置呢，还是讲基于B超单，因为这俩结论正好是相反的。我把原文和翻译附下，大家讨论一下，最好有出生的宝宝能来验证一下。 In the first trimester, six weeks gestation, twenty-two percent of the mothers had transvaginal ultrasounds performed. Seventy-eight percent of the mothers chose to have a regular transabdominal ultrasound done. They measured both gestational age as well as where the placenta was located. The mothers returned between weeks eighteen-twenty and were rescanned using the abdominal ultrasound. 99% of the fetal genders were confirmed at this point and one hundred percent of the results were confirmed at birth. This study did not include twins, ectopic pregnancies, and other complications. In using this data, Dr. Ramzi Ismail concluded that at six weeks gestation, ninety-seven point two percent of the male fetuses had a placenta or chorionic villi on the right side of the uterus. When it came to female fetuses, there were ninety-seven point five percent of the chorionic villi or placenta on the left side of the uterus. 在妊娠的头三个月，怀孕六周，22％的母亲进行了经阴道超声波检查。百分之七十八的母亲选择定期进行经腹部超声波检查。他们测量胎龄和胎盘位置。母亲在18-20周之间返回，并使用腹部超声重新扫描。在这一点上，99％的胎儿性别得到确认，100％的结果在出生时得到证实。这项研究不包括双胞胎，宫外孕和其他并发症。 在使用这些数据时，Ramzi Ismail博士总结说，在怀孕六周时，97.2%的男性胎儿在子宫右侧有一个胎盘或绒毛膜绒毛。当涉及到女性胎儿时，子宫左侧的绒毛或胎盘有97.5%。 |
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