Use of modern contraception is traditionally considered unacceptable because it violates the natural process of procreation.
Defenders of Proposition 8, California's ban on gay marriage, base their case on what they call the "objective biological fact" that procreation is an exclusively heterosexual process.
MERMAID BRIDE You're probably some sort of sea royalty not just any mermaid is allowed to marry a mortal man, what with procreation being such a difficult process.
In the dark stew of seventeenth-century America, procreation seems the one intelligible process available to slave, servant, and mistress, and love and disease threaten to make martyrs of them all.
While it is a credible hypothesis that the experience of sexual pleasure, for instance, arose out of the evolutionary process, the motivation itself has nothing to do with procreation, and in fact it motivates humans to avoid procreation.
The persona lifecycle is a metaphoric framework that breaks the persona process into phases similar to those of human procreation and development.
— Greetings The primary arguments advanced by opponents of same-sex marriage are that "redefining marriage" would undermine "responsible procreation" by heterosexual couples and withdraw a controversial issue from the democratic process.
The marriage is thus connected with the encompassing harmonies of the universe, and the cyclical processes of change and renewal are expressed in the procreation of the two mortal lovers.
