| English | Russian |
| developmental delay | нарушение в развитии (Alexander Demidov) |
| developmental delay | ЗПР (Alexander Demidov) |
| developmental delays | особенности развития (Delays in the expected capabilities at a certain age or time. Developmental delays may include not smiling, not crawling, not sitting up, not walking and not talking as expected. Found on  pregnology.com Alexander Demidov) |
| severe developmental delays | тяжёлые нарушения в развитии (Developmental delays (...) may be mild, moderate or severe. szalinka) |