During an in-depth analysis of the management of patients of older age groups, another equally important category of the population is overlooked - patients of the second period of adulthood. In no case should this period of life be missed, especially in relation to women. It is in this age period that the menopause process occurs, which determines the further involutive restructuring of the reproductive system in particular and the entire body as a whole. It is advisable to study the morphological dynamics of the fallopian tubes, which are a key link in the female reproductive system. Objective: in a comparative aspect, to analyze the parameters of the outer diameter of the isthmus, ampoule and funnel of the fallopian tubes in women who gave birth in the first and second periods of adulthood according to the sectional study and calculate the correlation relationship. The study was performed on autopsy material in the period 2018-2022, the analysis of the results of morphometry of both fallopian tubes of 49 deceased women who gave birth at the age of 22-56 years was carried out. Group I included 26 women of the first period of adulthood (22-35 years old), group II included 23 women of the second period of adulthood (36-56 years old). The outer diameter of the fallopian tube funnel was determined using a micrometer after their isolation from the pelvic cavity. Having determined the size of the semicircle of the pipe, their diameter was calculated. The tendency to the predominance of the parameters of the outer diameter of the fallopian tubes in the second period of adulthood in comparison with the representatives of the first period of adulthood (p > 0.05) has been established. Thus, the outer diameter from the first period of adulthood to the second period at the isthmus site increases by 4.5 % in the right fallopian tube and by 6.25 % in the left fallopian tube, at the ampoule site - by 1 and 0.7 %, respectively, and at the funnel site - by 3.1 and 4.2 %, respectively. The tendency to the prevalence of parameters in each studied section of the right fallopian tube over similar ones in the left (p > 0.05) is determined. The results obtained during the sectional examination of the autopsy material can form the basis for studying the age-related anatomy of the fallopian tubes. The data form the basis for further clinical and morphological studies, as well as provide an understanding of the age characteristics of various sections of the fallopian tubes for the application of this information in practical medicine, for example, in the differential diagnosis of pathological conditions.