Certain embodiments of the present invention provide fetal monitoring belt devices. The fetal monitoring belt devices include belts and a back support. In certain embodiments, the belts may further include one or more rows of buttonholes to provide multiple places for attachment of one or more ultrasound transducers via buttonhooks. In certain embodiments, the back support may further include an interior pouch to hold a therapeutic device, such as a hot or cold pack and/or a vibration element. The fetal monitoring belt devices of the present invention provide a comfortable, long-term, stable way of maintaining the proper positioning of ultrasound transducers during prenatal exams, labor and delivery.