Hi. I am 28 years old female, We are trying to conceive. My average cycle is 28 days. I have a doubt that, how to calculate 14th day to have an idea on ovulation? Do we need to consider day 1 of menstrual period started? Or day 1 as when period ended? Please clarify.

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.