Morning pls how do I calucate my mensural cycle and pls how do I know my safe nd unsafe period??
Dr Mabel
To calculate your menstrual cycle. The answer is the date of the first day of your last period (not the day it ended). For example, March 22nd. To figure out how long your cycle is, start at cycle day 1 of your last menstrual cycle and begin counting (Cycle day 1,2,3,4 and so forth). The length= the last cycle day before you started bleeding again