[Methodical approaches to studying effect of seasonal factor on rat reproductive function in experiments on alimentary influence].

The results of studying influence of seasonal factor on rat reproductive system are presented. Function of reproductive system was estimated according sexual hormones in blood of pregnant rats, level of gametogenesis in female gonad, prenatal and postnatal development. The analysis of the data has not revealed correlation with climatic factors. Values of all studied parameters were in accord with the limits physiological norm and did not form obviously traced tendencies.