I found a few postings of inwomb being noted as an adjective. Most of the time, it was spell'd as in-womb and mostly as a prepositional phrase: in womb .
inwomb (not comparable )
in the womb, in womb , in uterus
2009 , Jeffrey L. Fine, Joseph Chilton Pearce, Dalit Fine, The Art of Conscious Parenting [1] , Inner Traditions, →ISBN , page 45 :Observations also demonstrate that in-womb memories function on a relatively sophisticated level.
2010 , Jane Statlander, Philip Roth's Postmodern American Romance [2] , Peter Lang, →ISBN , page 56 :It is the place of indeterminancy, deferred decisions, the in-womb , amniotic float.
2011 , Nancy Rockney, Ron Rockney, Heart's Connection [3] , WestBow Press, →ISBN , page 7:During Ron's in-womb experience, his very existence was denied.
--AnWulf ... Ferþu Hal! (talk ) 17:21, 27 August 2012 (UTC)