The ornamental design for an asymmetricmaternitysupportbelt, as shown and described.
FIG. 1 is a plan view of the asymmetric maternity support belt with a superiorly oriented and relatively longer belt and an inferiorly oriented relatively shorter belt;
FIG. 2 is the obverse plan view thereof;
FIG. 3 is a front and side perspective view depicting the asymmetric maternity support belt being worn in a typical use with the shorter inferior belt attached at the sides of, and partially overlapping the longer superior belt; and,
FIG. 4 is a back and side perspective view thereof depicting the design being worn in a typical use.
The broken line and dashed line showing stitching on the belt is part of the claimed design. The broken line showing a human body is for environmental illustration only, and forms no part of the claimed design.