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Órgano Oficial del Instituto de Ciencias de la Salud, Hospital Escuela y Facultad de Medicina-Xalapa

2010, Number 2

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Rev Med UV 2010; 10 (2)

Newborns Display Orientating Movements Towards its own Amniotic Fluid and Some Fatty Acids

Díaz-Marte C, Gutiérrez-García AG, Mendoza-López MR, Contreras CM

Language: Spanish
References: 39
Page: 6-10
PDF size: 321.53 Kb.


ABSTRACT

Introduction: We have already constantly identified eight fatty acids in amniotic fluid, colostrum and maternal milks, which suggest the existence of a continuum of sensorial cues leading to the edification of dams. Material and methods. We designed an observational study in 11 human babies subjected to a double choice test to test their orientating responses towards swabs impregnated with its own amniotic fluid, or a synthetic mixture of such fatty acids. We used distilled water as natural stimulus (control). Three independent observers measured the frequency of orientation movements toward the swabs. Results. Repeated Measures ANOVA reached statistical significance [F (2,85) = 3.207, p ‹ 0.04], and Holm-Sidak post hoc test revealed that newborns preferentially directed their orientating movements toward the mixture of fatty acids or amniotic fluid against distilled water (p ‹ 0.05). Conclusions. Since newborns equally orientated toward amniotic fluid or the mixture of fatty acids, we conclude that fatty acids may constitute some sensorial cues for recognition of the newborns to their mother after an early sensorial learning.


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