| The ennui among young Germans is such that couples cannot be bothered to procreate in numbers sufficient to sustain the population. |
| The termination of menstruation means the ending of a woman's biological obligation to procreate. |
| It's not clear why straight couples would stop procreating, or even procreate less, if gay couples could marry. |
| The right to found a family implies, in principle, the possibility to procreate and live together. |
| Cultures interpenetrate, overlap and procreate as well as militate against one another as they sometimes do. |
| It seems that the sole purpose for an animal's existence is to mate and procreate for the survival of their species. |
