Does Locum Tenens have a lot of OB/GYN jobs listed?

Yes; Locum Tenens have a good number of OB/GYN jobs listed in their site. Pl see link-http://www.locumtenens.com/Physician-Jobs/Job-Results.aspx?sn=OB/Gyn&sv=29 ; it has a 10-page listings of OB/Gyn jobs in different States of USA..