text: the postnatal leave is extended to 10 weeks. Apart from maternity leave directly connected with pregnancy and birth women are granted additional partially paid leave to enable them to care for children up to the age of 12 months. Additional unpaid leave to care for children up to 18 months of age has also been introduced. These leaves together with maternity leave count towards a total uninterrupted work record or record of professional work. In all the above cases the women retains her job. Nursing working mothers are also granted, in addition to the usual breaks for meals and rest, additional 30-minute breaks every 3 hours to enable them to feed their babies; or their working day is shortened by one hour, which is counted as working time and paid for at the average rate. In 1981, working women with two or more children up to 12 years old, who were entitled to less than 28 calendar days leave, were granted an additional three-days' paid leave and two-weeks' unpaid leave, in addition to the paid annual leave. The aim of creating more favourable conditions enabling women to combine professional activity and the raising of children is furthered by the continual expansion of the network of preschool children's institutions: day nurseries and kindergartens. In 1981 the total number of such institutions was 130,000. The plan for 1981-1985 calls for the construction of children's facilities to provide 2.9 million places. In addition, an extended teaching day system, with children remaining at school under the supervision of the teaching staff, until the parents return home from work, is also gaining ground. In the USSR the family is protected by the state which demonstrates its concern by creating and expanding a wide network of preschool children's facilities and by improving community services and public catering, providing 
analysis: The text discusses the policies and measures implemented in the USSR to support working women and their families, specifically in terms of employment and childcare. It highlights the extension of postnatal leave, additional leaves for working mothers, and the expansion of preschool children's institutions. The text also mentions the importance of community services and public catering. Given the focus on employment, childcare, and family support, it is likely that the text falls under the categories related to employment and education.