Source : Webster's Revised Unabridged Dictionary (1913)

Childbirth \Child"birth\, n.
   The act of bringing forth a child; travail; labor. --Jer.
   Taylor.

Source : WordNet®

childbirth
     n : the parturition process in human beings; having a baby; the
         process of giving birth to a child [syn: {childbearing},
         {accouchement}, {vaginal birth}]