看到一个文献数据支持的理论：The Relationship Between Placental Location and Fetal Gender (Ramzi’s Method)文章里主要意思说从1997到2007年共对5376名孕妇做了调查研究，得出数据怀孕前三个月，97.2％的男性胎儿孕囊位于子宫胎盘位置的右侧。97.5％的女性胎儿孕囊位于子宫胎盘位置的左侧。男的胎盘着床于子宫右侧，女的胎盘着床于子宫左侧。６周就可以辨别出来了
The Relationship Between Placental Location and Fetal Gender (Ramzi’s Method)| OBGYN.Net
http://www.obgyn.net/articles/relationship-between-placental-location-and-fetal-gender-ramzi%E2%80%99s-method
再说说楼主，按理论阴超是，b超3次均女孩，生出来女孩，估计我就是2.5%的那批人。还是生下最准。纯娱乐～
配图是腹部b超，阴超反过来理解即可
The Relationship Between Placental Location and Fetal Gender (Ramzi’s Method)| OBGYN.Net
http://www.obgyn.net/articles/relationship-between-placental-location-and-fetal-gender-ramzi%E2%80%99s-method
再说说楼主，按理论阴超是，b超3次均女孩，生出来女孩，估计我就是2.5%的那批人。还是生下最准。纯娱乐～
配图是腹部b超，阴超反过来理解即可
