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Linear growth, an important indicator of a child’s present and future health, is influenced by a complex interaction of environmental factors including intra-uterine growth restriction, household socio-economic status, parental education levels, inadequate maternal and child nutrition and frequent infectionsSe is an essential trace element that is known for its role in redox biologySe is known to play a protective role in many birth outcomesIn addition to the effects of Se on birth weight and birth outcomes, this micronutrient also plays an essential role in bone growth and development. Se inadequacy has been implicated in growth faltering and changes in bone metabolism which can impact bone and cartilage developmentSe metabolism and use in the bone are exclusively associated with selenoproteins. A total of nine selenoproteins have been identified in human fetal osteoblasts where they play a role in bone metabolismStudies have examined associations between Se levels in mother–infant dyads and growth outcomes at birth and in the postnatal period