Suite 101
The choice to remain childfree as a married couple or single. various issues dealing with childfree lifestyle, including in-laws, supportive friends, misunderstandings of others, likeminded groups, pros and cons, family expectations and societal pressures, myths and realities of "biological clocks," the prejudices, and more.
http://www.suite101.com/welcome.cfm/childfree_by_choice