What pregnant woman hasn't heard the line, "You're carrying low. You must be having a boy." Or: "If you have morning sickness all day.
9 Scientific Hints to Predict the Sex of Your Baby Most moms-to-be experience some form of morning sickness when they're expecting.
How can you tell if you are having a boy or a girl? More than 50 percent of pregnant women feel sick during the first trimester. Some people believe that more severe morning sickness indicates that the baby will be born female.