Each woman’s cycle is unique. Learning to chart and interpret biomarkers daily will provide insight into the phases of your wife’s cycle. The fertile phase has distinct characteristics of when it starts and stops. A woman is typically naturally infertile longer than she is fertile within each cycle. Average fertile phases range from nine to 12 days offering time to practice periodic abstinence and develop other ways of nurturing your relationship if your couple decision is to postpone pregnancy.
Healthy men are almost always fertile. Healthy women are almost always infertile (https://www.factsaboutfertility.org/what-is-charting/)
How does this make me a better husband? https://www.youtube.com/watch?v=mgXKbF4Q5A0
