Others cited by Apgar (418) and Swanson and King (333) also reported an association between low in- dices of maternal zinc status and malforma- tions, including neural tube defects in babies. Supportive of Jameson's (423) findings was a study (425) from Ohio that found a highly significant increase in pregnancy complications, including fetal distress and maternal infections, among women with low plasma zinc during the latter half of pregnancy.
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