[Effect of the mother's exertion on the state of fetus].

Homeostatic changes in pregnant women's organism in result of effort - affect the fetus. In human a single effort of mild intensity may result in fetus' changed pulse and rhythm. In animals changes in acid-base equilibrium and fetus metabolism in result of mother's effort were noted. Furthermore, mother's training during pregnancy exerts delayed effects upon certain physiological properties of the cardiac muscle and metabolism of the progeny.