Source : Webster's Revised Unabridged Dictionary (1913)

Midwifery \Mid"wife`ry\ (?; 277), n.
   1. The art or practice of assisting women in childbirth;
      obstetrics.

   2. Assistance at childbirth; help or co["o]peration in
      production.

Source : WordNet®

midwifery
     n 1: the branch of medicine dealing with childbirth and care of
          the mother [syn: {obstetrics}, {OB}, {tocology}]
     2: assisting women at childbirth