The ornamental design for a two-piece fitted linen for a labor and deliverymattress, as shown and described.
FIG. 1 is a top plan view of a two-piece fitted linen for a labor and delivery mattress showing my new design with a bottom section separated from a top section for clarity;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a right elevation view thereof, the opposite side being a mirror image of the shown; and,
FIG. 6 is an isometric view thereof.
The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.