If you are late or get lost, please call 314-747-0800.

Located at the Washington University Medical Center, near Barnes-Jewish and St. Louis Children’s hospitals, C3 is convenient to visit no matter how you get here:

  • By car: Several blocks from the Interstate 64/Highway 40 Kingshighway exit. See parking map »
  • By MetroLink: Three blocks from Central West End Station.
  • By Metro Bus: Near stops on the following bus routes:
    1, 10, 13, 14, 18, 42, 59, 80, 95


Finding us

4533 Clayton Ave.
Saint Louis, MO 63110

Our entrance is in the back of the building.

Construction on the medical campus can make it difficult to reach our building.

Please use this map to find the easiest route to our building and parking lot.

Free parking is available at the back of our building next to the building entrance, and at designated meter spaces on Clayton Avenue.  Please look for signs that designate “Contraceptive Choice Center Parking” or “Ob/Gyn Clinical Research Parking”.







Metered parking is also available on Clayton Avenue.



We accept Medicaid and most commercial plans. If you are uninsured, you may qualify for a lower fee scale.