day 1 is the first day your period begins and then the days up to your next period is known as your cycle length. Ex. Feb 23 is day 1 then you start again March 26 your cycle length is 28 days. Hope this helps.Feb 4, 2008 read more
Keeping track of your menstrual cycle can help you prepare for your period and better predict when your next period will be. By the end of this post, you will have learned how to count your period cycle and other helpful tips to predict when your period is coming. read more