An implantable prosthesis for repairing an abdominal wall defect (28) is disclosed. The implantable prosthesis comprises a soft tissue repair patch (22); a support member provided on the soft tissue repair patch; and at least one tether (24,26) including a repair fabric that is susceptible to tissue and muscle integration. The tether extends a sufficient length from the patch to extend through the abdominal wall defect when the patch is on one side of the defect, so that a portion of the tether is on the other side of the defect and is adapted to be pulled by a user to position the soft tissue repair patch and/or to be secured to tissue to anchor the soft tissue repair patch.