Know the 1st day your partner starts her menstrual period. To achieve conception for those with a 28days cycle
Day 1 🩸period
Day 2🩸period
Day 3🩸period
After>
Day 4free days
Day 5free days
Day 6free days
Day 7free days
Day 8free days
Day 9free days
Day 10free days
Consistent sexual intercourse>
Day 11 fertile window
Day 12 fertile window
Day 13 most fertile window>>
Day 14 most fertile window>>