A History of Short Words

From the New York Times Crossword Puzzle

OBGYN

Sat, 17 Aug '24
Planned Parenthood doc
Thu, 13 Jun '24
Delivery worker, familiarly
Tue, 23 Jan '24
Delivery person, for short
Thu, 17 Aug '23
Department of labor?
Sun, 26 Dec '21
Person helping with a delivery
Tue, 2 Mar '21
Women's health doc