Regular cycles that are longer or shorter than this from 21 to 40 days are normal. That depends on when you ovulate. Most women ovulate anywhere between Day 11 Day 21 of their cycle counting from the first day of their last period.
However menstrual cycles tend to shorten and become more regular as you age. Some people also refer to this as an ovulation calculator or a Due Date Calculator. Use the calculator to see which days you are most likely to be fertile. Ovulation occurs 14 days before the first day of your period. So day 14 of your cycle-. This is called your fertile window.
How long do you ovulate.
Cycle day 21 is definitely not normal its late but pregnancy could still be possible. Use the calculator to see which days you are most likely to be fertile. This is your fertile time and when sexual intercourse has the best chance of producing pregnancy. Remember this is just an average of days that ovulation could take placeevery womans cycle is different. That is just before and during ovulation. Safest Period to Avoid Pregnancy - 24 Day Cycle.