Many couples want to have children with complete sex. If you already have a boy and want a girl, there are a few tips you can try as a girl pregnancy program. Did you know that the sex of a baby is determined by the chromosomes carried by the sperm? Yes, according to the Shettles method developed by Dr. Landrum Shettles in the 1960s, X chromosome sperm (female) swimming slower and more resiliently than Y chromosome sperm (male). This allows the X chromosome sperm to live longer in the mother-to-be and increases your chances of conceiving a girl. Although there are different chromosomes for each sex of the child, there are things you need to understand first. Quoted from the Mayo Clinic , there is not much that couples can do to influence the gender of the baby later. # reduce body heat However, if the sperm chromosome in men has a balanced level, it doesn't hurt to try some of the methods that have been recommended by experts. # d andruff treatment at home...