Ultrasound scan is the commonest method utilized by Medical professionals. Ultrasounds are large-frequency sound waves that deliver illustrations or photos from the fetus. The Ramzi paper is faraway from the internet site, which at the moment suggests "unfortunately, Ramzi's method has not been verified in almost any added scientific tests." https://early-pregnancy-gender-si76554.get-blogging.com/28265223/ramzi-theroy-an-overview