When after your period are you the most fertile?

Answer 1

First, calculate the average length of your cycle, from the beginning of one period to the beginning of the next. (You can count your first day of heavy flow as day 1; if your heavy flow begins in the evening, count the following day as day 1. What's important is to be consistent in how you define the start of your period.) Subtract 18 days from the total number in your cycle. So if your cycles are 30 days, subtract 18 to get 12. That means you are most fertile on days 12, 14, 16, and 18.