The average cycle takes 28 days, but shorter or longer cycles are normal.
If she has an implanted contraceptive device, like an IUD or an implant in her arm, your partner will need to visit her doctor to have it removed.
When you are trying to get pregnant, avoid refined sugar, simple carbohydrates and processed sugars like corn syrup and fructose.
Your cervical mucus will dry up and create a plug to prevent any additional sperm from entering the uterus.
It is less likely for a woman to become pregnant in this way compared to actually having intercourse, but it is possible.
The best option is IVF.