3 Ways To Use A Fertility Calendar
For example, if the first day of your LMP was May 15th, then write or type a number 1 on that day on the calendar. Day one of your cycle is always the first day of flow, not the first day of spotting. [2] X Expert Source Debra Minjarez, MS, MDBoard Certified Reproductive Endocrinologist & Infertility Specialist Expert Interview. 31 March 2020. For example, if your period started on May 15, and your next period started on June 13th, then you would count from May 15th through June 12th to identify a cycle length of 29 days....