November 10, 2021
To the Editor: In 18 days, a baby’s heart begins to beat. In 43 days, its brain coordinates movement. In seven weeks, a baby can hiccup. In eight weeks, its...
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To the Editor: In 18 days, a baby’s heart begins to beat. In 43 days, its brain coordinates movement. In seven weeks, a baby can hiccup. In eight weeks, its...
