9 Computer hardware and software for use in big data analysis and data management and for listening, monitoring, tracking, recording, storing, managing, displaying and analyzing the mother and fetus heartbeats, and the womb surroundings and sounds, mother and fetus medical parameters, signs and symptoms, and condition; a computer software which enables sending, sharing, tagging and posting of the mother and fetus heartbeats and the womb surroundings and sounds and mother and fetus medical parameters, signs and symptoms, and condition by means of a global computer network; computer application software for all devices with Internet access, namely, mobile phones, portable media players, handheld computers, PCs, laptop, tablets, namely, software for sending, sharing, tagging and posting of the mother and fetus heartbeats and the womb surroundings and sounds and mother and fetus medical parameters, signs and symptoms, and condition by means of a global computer network; sound system that is placed in a wearable abdominal belt comprising of an electrical audio controller, audio speakers, microphone, acoustic sensors, Bio potential sensors, environmental and Motion sensors and a digital music player, for transmitting music/sounds/educational material to a fetus; sound system that is placed in toys for babies and children comprising of electrical audio controller, audio speakers, and a digital music player, for transmitting music/sounds/educational material; wearable abdominal belts containing speakers, microphones, vibrio-acoustics sensors and vital signs sensors and audio transmitters for purposes of transmitting music/sounds/educational material to a fetus, not for medical purpose; pregnancy audio system comprising of wearable abdominal belt including audio controller, speakers, microphones, vibrio-acoustics sensors and vital signs sensors and computer software and computer application software for mobile phones, portable media players, handheld computers for listening, monitoring, tracking, recording, storing, managing, displaying and analyzing the mother and fetus heartbeats, and the womb surroundings and sounds