An apparatus (100) based on at least a first limb strain measurement from a first strain sensor (103) and a second limb strain measurement from a second strain sensor (104), the first strain sensor and the second strain sensor forming part of one or more garments (101) for wearing on one or more of the limbs of a person, the first strain sensor and the second strain sensor configured to be positioned at different locations on the one or more limbs of the person； configured to provide for determination of a limb swelling indicator comprising a function of the first limb strain measurement and the second limb strain measurement, the limb swelling indicator thereby indicative of a distribution of swelling over the one or more of the limbs of the person.
