There is a common question asking by a pregnant lady. Is child a girl or boy? So parents like to get to know about the gender of pregnancy. But even the ultra sound scan you have to wait to 20th week. But that answer also not correct 100%.
Many women feel various will to have some foods in pregnancy period. If you want eat some sweat sugary foods mostly that may be a girl. If you feel savory or salt foods you will be have a boy child.