If you have your period every 1st or 2nd when do you usually ovulate, and when are you most fertile?

The general rule is within the 3-4 days at midcycle for those with predictable menses. Some women ovulate at unpredictable times.

A woman usually ovulates 14 days before the next period. There are multiple ways to monitor ovulation. Visit this site for info: https://ivf-success.com/ovulation-monitoring/#:~:text=There%20are%20several%20ways%20to%20detect%20ovulation%2C%20including,levels%2C%20and%20the%20basal%20body%20temperature%20%28BBT%29%20chart.