PREDICTION SYSTEM FOR PERSONALLY ADJUSTED MENSTRUAL PERIOD OR CHILD-BEARING PERIOD, AND THEREOF CALCULATION METHOD

PURPOSE: An individual customized system for predicting menstrual period or reproductive period which is adaptable for portable terminal and a method for calculating the same are provided to calculate a starting date of menstruation and an ovulation date based on a starting date of menstruation which a user inputted or change of a body which is measured and presume parameter of a menstruation period model based on the result, thereby predicting and calculating menstrual period and reproductive period which is individually customized and adaptable for the user. CONSTITUTION: A menstrual period measuring device(100) estimates body state information of a user, thereby measuring menstrual period. A menstrual period inputting unit(200) calculates starting date of menstruation or an ovulation date based on the body state information and inputs information of menstruation period. A menstrual period modeling unit(300) expresses the menstrual period by a function having constant period. A model parameter estimator(400) estimates and revises parameter showing a period of the menstrual period modeling unit.