The present invention provides a system and method to collect and chart fertility signs and track fertile timing and ovulation of female during menstrual cycle thereby improving the odds of conception by female. It provides a user interface on a mobile or website for charting the fertility data specifically the body temperature, quality of cervical mucus and position of cervix of a female and then the obtained graphs are superimposed to obtain a final graph which predicts the accurate fertility window of a female during menstruation cycle. Further, based on predicted fertile window, various coitus positions are suggested to improve the chances of conception.