It predicts the sex of your child based on the positioning and orientation of the chorionic villi (future placenta). Ramzi Theory, which employs the placement of the placenta and chorionic villi as a marker for foetal gender detection at 6 weeks gestation, was proven to be incredibly accurate. Early in the first trimester, the Ramzi technique correctly predicts the gender of the foetus in almost 97% of males and females.
https://www.mybump2baby.com/wh....at-is-the-ramzi-theo