Luteal Phase Defect
A luteal phase defect refers to a shortened or insufficient luteal phase — the time between ovulation and your next period. It is sometimes associated with fertility concerns and spotting before periods.
Medical disclaimer
This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Dawn Phase is not a medical device. Always consult a qualified healthcare professional with questions about your health.
What causes it
May be linked to low progesterone, thyroid issues, high prolactin levels, or intense exercise. It is a clinical diagnosis requiring testing.
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Track cycle length, ovulation signs, and any spotting or mood changes in the second half of your cycle. A consistently short luteal phase (under 10 days) may be worth discussing with your doctor.
When to see a doctor
If you are trying to conceive and experiencing short cycles or early spotting, speak with a doctor. Luteal phase defect is diagnosed through blood tests and cycle monitoring.
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