The present invention relates to a fertility watch, which is a biowatch for reducing inconvenience for contraception of women. To this end, the fertility watch includes a watch part for setting a predetermined time for hormone injection, a needle for injecting hormones into the wrist of a user, and a certain amount of hormones injected into the body of the user for 21 days.COPYRIGHT KIPO 2016여성의 피임을 위해 번거로움을 없애주는 생체 바이오 시계