The purpose of the present invention is to provide a program for expectant-mother assistance, an expectant-mother assistance method, and an expectant-mother assistance system that enable an expectant-mother to clearly experience the presence of the fetus. The program of the present invention causes a computer (1) to execute the following: a number-of-weeks input display process (S2) in which a screen for inputting the number of weeks of pregnancy is displayed; a number-of-weeks reception process (S3) in which the input of the number of weeks of pregnancy is received; a heart sound selection process (S41) in which a heart sound corresponding to the number of weeks of pregnancy that was received is selected from a plurality of pre-stored heart sounds; and a composite music output process (S51) in which composite music obtained by synthesizing the selected heart sound with music is output.
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