how days is the safe periods
Safe Periods Thus, the safe periods are from the first day of the last menstruation and 14 days on and from day 21 after last menstruation and to the next menstruation (see figure) A woman with 32 days between two menstruations ovulates around (14 subtracted from 32) 18 days after the first day of the last menstruation. Thus, the safe periods are from the first day of the last menstruation and 14 days on and from day 21 after last menstruation and on to next menstruation (see figure).