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pubmed:otherAbstract |
PIP: Pregnancy, delivery, and neonatal records of mentally defective chil dren born in Baltimore, Maryland, between 1935 and 1952 were compared wi th records of a control group to determine the effects of complications during these 3 phases on eventual mental disorders. The mental defectives had a greater amount of recorded complications of pregnancy and delivery, prematurity, and abnormal neonatal experiences. Nonmechanical pregnancy complications, i.e., bleeding or toxemia, seemed more significant in this association than the mechanical factors of delivery. Neither duration of labor nor operative procedures performed at delivery was related with the development of mental deficiency. The associations that did show were not as strong for nonwhites. Various reasons for this fact are considered. It seems possible that reproductive casualty can occur during pregnancy, delivery, and the neonatal period. In its most serious form, it causes spontaneous abortion, stillbirth, neonatal deaths. Lesser brain damage during these periods will cause, in the following order, cerebral palsy, epilepsy, mental retardation, and behavioral disorders.
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