<prompt> Developmental delay should be suspected, if the developmental quotient DQ is below ___80777065  <response>: Developmental delay should be suspected if the development quotientDQ is below 70. It is calculated as: DQ Development ageChronological age 100 In preterm infants, the corrected age rather than postnatal age is used till two years of age. For example, a child born at 32 weeks gestation gestational age seen at 12 weeks of age postnatal age, should be considered as a 4-week old corrected age child. Ref: Ghai essential Pediatrics 9th edition Pgno: 50 