. "s and/or data including the first day of at least...http://www.google.com/patents/US5515344?utm_source=gb-gplus-sharePatent US5515344 - Menstrual cycle meterAdvanced Patent SearchPublication numberUS5515344 APublication typeGrantApplication numberUS 08/269,200Publication dateMay 7, 1996Filing dateJun 30, 1994Priority dateJul 1, 1993Fee statusLapsedAlso published asCN1097075A, CN2190321Y, DE4423206" . . .