Ramzi's theory became famous in 2011 when he claimed that when the placenta attaches to the right of the uterus, women are more likely to have a boy, and when it's connected to the left, they're more likely to have a girl. But there isn't enough research or science there to back this theory. It could have a possibility where anterior means a girl and posterior a boy, but it's not sure. Using the placenta to identify your baby's gender isn't an accurate way to do so.