Sex Forecast Methods The following are practices utilized to anticipate the intercourse of a child: Amniocentesis Amniocentesis is one of the more accurate ways of determining intercourse ahead of the delivery, with near 100 % precision. But, the test is seldom done when it comes to single intent behind predicting intercourse due to the medical dangers associated with procedure. During an amniocentesis (amnio for short), a needle is carefully placed through the stomach.. Read More