Childfree
Childfree people are people who choose not to have children.
The term "childfree" may also describe domestic and urban environments in which children are not welcome. In this sense, the term is the opposite of child-friendly, which describes environments that are safe and welcoming for children.
In most societies and for most of human history choosing to be childfree was both difficult and undesirable. To accomplish the goal of remaining childfree, some individuals undergo medical sterilization. The availability of reliable contraception along with support provided in old age by systems other than traditional familial ones has made childlessness an option for people in developed countries, though they may be looked down upon in certain communities.
History
The term Childfree was coined in the English language late in the 20th century.
St. Augustine wrote in the year 388 of the Manichaeans, who believed that it was immoral to create children, and thus (according to their belief system) trap souls in mortal bodies. To try to prevent this they practiced periodic abstinence.