Abstract: An apparatus for organizing, transporting, and using medical devices and supplies during obstetrical evaluations, comprising a portable housing with an alarm system for contents thereof, a base housing capable of being structurally and electrically coupled to by the portable housing and optional housings, and a fixture mounting bracket for attaching the base housing to an examination table. The portable housing and base housing preferably have compartments for medical devices and supplies. The portable housing has a medical device compartment for accepting a Doppler receiving insert for storing a conventional Doppler device with a probe connected to a base, for accepting a customized Doppler base unit of an integral Doppler device with a probe connected to the base, or for accepting a scanhead receiving insert for storing a sonogram device with a scanhead connected to a console.