We claim the ornamental design for a wearable pregnancy monitoring apparatus, as shown and described.
FIG. 1 is a top plan view of a wearable pregnancy monitoring apparatus;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top perspective view thereof;
FIG. 4 is a bottom perspective view thereof;
FIG. 5 is a left side elevation view thereof; and,
FIG. 6 is a front elevation view thereof.
The broken lines shown in the figures illustrate portions of the wearable pregnancy monitoring apparatus that form no part of the claimed design; the broken lines form no part of the claimed design.