Luteal Phase Defect Calculator

Check if your luteal phase is too short (<10 days). Early detection for better fertility planning.

🌙 Your Luteal Phase Analysis 🌙
Luteal Phase Length
— days
Normal
Next Expected Period

This tool uses your entered data to calculate luteal phase length.
Luteal phase <10 days may indicate Luteal Phase Defect.
Results are estimates — always consult your doctor for fertility concerns.

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