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| Subject | Russian | English |
| demogr. | средний возраст матери при рождении первого ребенка | average age of women having children (Family size and fertility rates have fallen. Marriage rates have declined dramatically. The average age of women having children has risen, and extraneous factors like divorce, environmental concerns and debt load have all contributed to smaller families.  vancouversun.com ART Vancouver) |
| demogr. | средний возраст матери при рождении ребёнка | average age of mother at childbirth (статистический показатель Азери) |