The sense of smell begins developing at around 22 weeks gestation, and becomes nearly mature by 29 weeks gestation. So your preemie can smell! And preemies love the smell of their mom!
When babies are still in utero, they begin smelling via the unique scent of the amniotic fluid. As they begin making their early breathing movements, amniotic fluid passes through their nasal passages and the smell of their world changes depending on what mom has eaten and inhaled.
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