The present disclosure provides a fetal heartbeat sound capturing device that can enable detection of fetal heartbeat. The disclosed fetal heartbeat sound capturing device includes a conical sound chamber that can be placed over abdomen of a pregnant woman to capture the fetal heartbeat sound, and a tubular column that is adapted to channel the fetal heartbeat sound to a microphone. Further, the fetal heartbeat sound capturing device is operatively coupled to a computing device configured to amplify and filter audio signals pertaining to the fetal heartbeat sound to generate processed signals pertaining to audible fetal heartbeat sound. The disclosed fetal heartbeat sound capturing device is passive, portable and cost-effective.