IVF Australia Ovulation Calculator
Estimate your ovulation date and fertile window based on your cycle.
Cycle Length (days)
Please enter a cycle length between 20 and 45 days.
Typical range: 21-35 days.
Luteal Phase Length (days)
Please enter a luteal phase length between 10 and 16 days.
Typically 12-16 days.
Last Menstrual Period (LMP)
Please select a date.
Next Expected Period (optional)
Leave blank if unknown.
Please enter a valid date after LMP.
Calculate Ovulation
Results
How It's Calculated