Аннотация:The article deals with the study of conditions and factors involved in forming an attitude to the mother’s parental position in girls making the transition to adulthood. The article presents the results of an empirical study of the characteristics of personal world assumptions in girls with different types of attitude to motherhood during their transition to adulthood. The study involved 230 respondents aged 17 to 23 years. The results obtained allowed us to distinguish five types of attitude to the mother's parental position: 1) priority and acceptance of the maternal role; 2) a positive attitude towards motherhood and deferred parenthood; 3) motherhood as a duty; 4) an ambivalent attitude to motherhood and deferred parenthood; 5) rejection of motherhood and the maternal role. A comparative analysis of world assumptions in groups with a positive and negative attitude to motherhood made it possible to confirm the hypothesis about the relationship between the maternal position and the specific features of their world assumptions. The positive attitude to the maternal role is associated with the perception of the world as being benevolent and just, the negative attitude reflects the perception of the world as being hostile and unjust. The modality of the self-worth comes out as a significant factor that determines one’s attitude to the mother’s role. The positive attitude is associated with the positive self-worth and recognition of the self-worthiness while the negative attitude relates to the negative self-image.