Health Information
Interactive Tool: When Are You Most Fertile?
What's next?
If your periods are irregular, this calculator is not a good way to predict your ovulation dates. Do not use this tool to prevent pregnancy.
For more information, see the topics Reference Fertility Awareness, Reference Pregnancy, and Reference Fertility Problems. If you are looking for information on birth control, see the topic Reference Birth Control.
Source: Fritz MA, Speroff L (2011). Clinical Gynecologic Endocrinology and Infertility, 8th ed., Philadelphia: Lippincott Williams and Wilkins.
| By: | Reference Healthwise Staff | Last Revised: Reference October 29, 2012 |
| Medical Review: | Reference Adam Husney, MD - Family Medicine
Reference Kirtly Jones, MD - Obstetrics and Gynecology |
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