adaptation adolescence adult ageing american academy of pediatrics attachment in children attachment theory baby bottle baby colic baby food babysitting bangladesh bassinet bathing behavior breastfeeding child development child development stages childcare childhood cord blood cord blood bank cradle cap crib cultural-historical psychology day care dehydration developmental psychology developmental stage theories diaper rash digital object identifier elimination communication epidemiology erik erikson ethology fetus health iconography immunization infant and child development infant formula infant mortality infant vision infanticide infection jaundice jean piaget john bowlby latin lawrence kohlberg lev vygotsky maternal bond maternal health merriam-webster middle age old age pacifier parental leave paternal bond pediatrics pre- and perinatal psychology preadolescence pregnancy premature birth prenatal development psychosexual development psychosocial development puberty public health senescence sigmund freud social interaction sudden infant death syndrome table of development periods teething theory of cognitive development toddler umbilical cord wet nurse wikibooks wikimedia commons wiktionary youth development