<prompt> Which of the following disorder of mother leads to microcephaly in baby -SLEHepatitis APhenylketonuriaAll  <response>: Ans. is c i.e., Phenylketonuria Microcephaly o Microcephaly is defined as a head circumference that measures more than three standard detion below the mean for age. Causes of microcephaly Primary genetic Secondry Nongenetic o Familial autosomal recessive o Radiation o Autosomal dominant o Alcohol o Down syndrome o Phenytoin o Edward syndrome o Infection --- Rubella, CMV, Toxoplasma 