Determinations of serum (Ca) and calcitonin (CT) were carried out in 80 full term newborn infants. 40 of them were born by elective Caesarean section (ECS) while 40 were born by normal vaginal delivery (VD). Samples of blood were drawn at 1, 24, 48, 168 hours of life. Each newborn was tested no more than twice. Serum Ca of ECS at 24th hour was significantly less than Ca of VD. At the same time CT of ECS was significantly higher than CT of VD. A negative significant correlation between Ca and CT was observed. The data demonstrate the key role of CT in the homeostasis of Ca in the first hours of life. In addition, the results were suggestive for a dependence of CT secretion on the stress of birth.
[The secretion of calcitonin in the newborn infant in relation to the method of delivery] / F., Bagnoli; S., Sardelli; S., Bruchi; L., Vispi; Facchinetti, Fabio. - In: BOLLETTINO DELLA SOCIETA' ITALIANA DI BIOLOGIA SPERIMENTALE. - ISSN 0037-8771. - STAMPA. - 58:(1982), pp. 1616-1619.
[The secretion of calcitonin in the newborn infant in relation to the method of delivery].
FACCHINETTI, Fabio
1982
Abstract
Determinations of serum (Ca) and calcitonin (CT) were carried out in 80 full term newborn infants. 40 of them were born by elective Caesarean section (ECS) while 40 were born by normal vaginal delivery (VD). Samples of blood were drawn at 1, 24, 48, 168 hours of life. Each newborn was tested no more than twice. Serum Ca of ECS at 24th hour was significantly less than Ca of VD. At the same time CT of ECS was significantly higher than CT of VD. A negative significant correlation between Ca and CT was observed. The data demonstrate the key role of CT in the homeostasis of Ca in the first hours of life. In addition, the results were suggestive for a dependence of CT secretion on the stress of birth.
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