If your cycle is regular it means you can perfectly calculate when you ovulate. Bleeding usually lasts for 3-8 days. Add 21 days November 22.
Menstrual cycle is linked to fluctuations in your estrogen levels luteinizing hormone and follicular stimulating hormone. If you do this for a few months youll know how to count your period cycle days and youll be able to figure out your average cycle length. Keep track of how many days the period lasts. When you begin your period the next month make note of that date. If your cycle is regular it means you can perfectly calculate when you ovulate. Subtract 14 days to find your adjusted LMP date November 8.
Take your shortest cycle and subtract 18 days from the total days of your shortest cycle.
The length the last cycle day before you started bleeding again. Typical cycles are 28 days apart mine is 32. This will give you the average number of days between each period or your average. Predict your next period. Subtract 14 days to find your adjusted LMP date November 8. When you begin your period write down the date.