The present invention relates to a personalized pregnancy, birth, and postnatal care information providing service method. The method includes: a step of maintaining a database storing first data related to pregnancy, birth, and postnatal care, wherein the first data is able to be updated by information received from a partner device; a step of receiving integrated information about the pregnancy, birth, and postnatal care of a user from a client device wherein the integrated information includes bio information obtained through a wearable bio recognition device; a step of calculating a pregnancy and birth health index of the user based on the integrated information including the bio information; a step of searching the database for personalized information corresponding to the calculated pregnancy and birth health index; a step of evaluating and analyzing health management based on the searched information; a step of generating personalized step-by-step schedule information from the pregnancy of the user to the postnatal care based on a result from the evaluation and analysis of the health management; and a step of providing the schedule information to the client device.
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