Omega-3 DHA is an important nutrient for development of baby at pre-natal stage. Sometimes even the most apparently healthy mothers, who maintain good dietary habits, may be deficient of Omega-3 DHA due to either low intake or Gastrointestinal Malabsorption. In such cases, the baby may be receiving less-than-optimal supply of Omega-3 DHA. The only way to know whether your Omega-3 DHA levels are satisfactory or need to be increased for your baby to receive adequate supply is through a laboratory test.