The "Unknown Birth Father"

I know a few birth mothers who were encouraged, but refused, to go the "unknown birth father" route. There sure seems to be a lot of litigation over the last few years regarding 'unknown birth fathers' as well as 'undisclosed medical information' by professionals. [url=http://www.timesleader.com/news/Man_sues_agencies_over_child_rsquo_s_adoption_04-21-2010.html]Man sues agencies over child’s adoption | The Times Leader, Wilkes-Barre, PA[/url] It's a shame that things like this still happen...