parturifacient

from The Collaborative International Dictionary of English v.0.48

Parturifacient \Par*tu`ri*fa"cient\, n. [L. parturire to desire
   to bring forth + facere to make.] (Med.)
   A medicine tending to cause parturition, or to give relief in
   childbearing. --Dunglison.
   [1913 Webster]