Dictionary
ob•stet•rics
Pronunciation: (ub-ste'triks), [key]—
n. (used with a sing. v.)
the branch of medical science concerned with childbirth and caring for and treating women in or in connection with childbirth.
Abbr.: OB, ob
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.