I claim, the ornamental design for a maternity support, as shown and described.
FIG. 1 is a rear elevation view of a maternity support showing a rear panel and a front panel separated from one another, with the front panel having a front pad and strap folded along one side of the front pad;
FIG. 2 is a front elevation view of the maternity support shown in FIG, 1;
FIG. 3 is a front perspective view of the maternity support shown in FIGS. 1 and 2, shown in a position of use.
FIG. 4 is a front elevation view of the maternity support shown in FIG. 3;
FIG. 5 is a side elevation view of the maternity support shown in FIGS. 3 and 4; and,
FIG. 6 is a rear elevation view of the maternity support shown in FIGS. 3-5.
The broken lines shown in the drawings show portions of the article and portions of a wearer that form no part of the claimed design.