Gender Prediction: Fact Vs. Fiction

Are you having a boy or girl? The question is inevitable the moment you announce your pregnancy. But just how reliable are the tests we use to reveal a baby's gender?
Are you having a boy or girl? The question is inevitable the moment you announce your pregnancy. But just how reliable are the tests we use to reveal a baby's gender?
An ultrasound is the first glimpse you'll have of your new baby. What type of ultrasounds can you expect to have during a typical pregnancy? When are these screenings performed and where? Plus, what is the difference between a medical ultrasound and 3D/4D ultrasound?