High prevalence of vitamin D deficiency in Pakistani mothers and their newborns.

Objective: To determine the prevalence of vitamin D deficiency in Pakistani parturients and their newborns and to assess the correlation between maternal and newborn serum levels of the vitamin D metabolite 25-hydroxy vitamin D3.

Methods: A prospective study of parturients presenting to the labor suite with a singleton pregnancy. Maternal and cord blood were collected for estimation of serum 25-hydroxy vitamin D3.