The factors responsible for genetic disorder of fetus due to abnormalities in male and female chromosomes and genes are described. By obtaining the knowledge of factors responsible for the proper growth or retardation of the fetus, one should avoid or modify those factors which come in the way of its proper development. | The factors responsible for genetic disorder of fetus due to abnormalities in male and female chromosomes and genes are described. By obtaining the knowledge of factors responsible for the proper growth or retardation of the fetus, one should avoid or modify those factors which come in the way of its proper development. |