The brassiere may include at least one accommodation disposed on a portion of the brassiere with the at least one accommodation configured to carry at least a pair of sensors. The pair of sensors may be detachably carried by the at least one accommodation. The accommodation may be a pocket, slit, or pouch. The accommodation may be a pair of pockets that support a garment accessory. The garment accessory may include a member having first and second ends that fit within the pair of pockets. The pair of sensors may be carried by the member, which holds the sensors against the skin of a subject wearing the brassiere. The garment accessory may further include a wireless transmitter carried by the member.