text: 78. A working mother has the right to have her job back and to have the periods of prenatal and postnatal leave taken into consideration in the distribution of bonuses and the calculation of seniority. 79. A working mother likewise has a right to creche services; in the case of a woman in State service, she will also have a right to medical and obstetrical care, medicines and assistance during lactation; women workers covered by the Mexican Social Security Institute also have a right during pregnancy and the puerperium to a cash allowance equal to 100% of the mean remuneration of their contribution group, to obstetrical care, to a cash allowance for 6 months during lactation and to a layette on the birth of the child. 80. The creche facilities provided for insured mothers' children provide for the possibility that the working woman may not be able to give her children a mother's care during the working day during their infancy, so that this service takes over responsibility for caring for children and strengthening their health, ensuring that they develop well, inculcating feelings of belonging to the family and society and forming habits of hygiene and of healthy coexistence and co-operation in the common effort, all of this being done simply and in a way suitable to the children's age and in line with social realities, with absolute respect for those elements in child-rearing that belong strictly to the realm of family responsibility. Creche services include keeping the children of insured women clean and tidy, feeding them, looking after their health and education and supervising their recreation.E/1986/3/Add,13 page 19 81. The National System for Integrated Development of the Family, for its part, runs residential kindergartens which are open to children from birth to the age of five years and eleven months who are physically and mentally 
analysis: The text appears to be discussing the rights and benefits of working mothers, including their employment, healthcare, and childcare options. It highlights the importance of creche services and the provision of medical care, medicines, and assistance during lactation. The text also mentions the National System for Integrated Development of the Family, which runs residential kindergartens for children from birth to age five. Given the focus on the rights and benefits of working mothers, it seems likely that the text is related to employment and healthcare.