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  1. Ovulation Calculator & Calendar - Determine Your Most Fertile Days - WebMD

    Ovulation is thought to happen about 14 days before your next period begins, but it can vary from month to month – even if you have regular cycles. To get a better sense of when you’re …

  2. Ovulation Calculator & Calendar: Identify Your Fertile Days

    May 14, 2025 · This ovulation calendar estimates when you'll ovulate based on the date of your last menstrual cycle and the average number of days between your periods. First, we count …

  3. Ovulation Calendar - American Pregnancy Association

    Our ovulation calculator helps estimate your fertility window, the time during your cycle when conception is most likely to occur. By tracking ovulation, you can increase your chances of …

  4. Ovulation Calculator

    On average, ovulation occurs within the 4 days before or after the midpoint of a woman's menstrual cycle (14 days before the start of a woman's next menstrual period). Day 10-18 of …

  5. Ovulation calculator: Predict your fertile window | BabyCenter

    Aug 12, 2025 · Use our ovulation calculator to predict when you might ovulate and boost your chances of getting pregnant. This tool helps you pinpoint your likely ovulation date and your …

  6. When Does Ovulation Occur After Your Period? - Verywell Health

    Oct 17, 2025 · Ovulation occurs two phases after the menstrual phase (your period). Learn how many days this is after a period, along with timing after HCG injections.

  7. Ovulation: Calculating, Timeline, Pain & Other Symptoms

    In an average 28-day menstrual cycle, ovulation occurs about 14 days before the beginning of your next menstrual period. The exact timing varies — your cycle length may be longer or …

  8. Understanding How Long Ovulation Lasts - Parents

    Oct 16, 2025 · Ovulation lasts 12 to 24 hours, during which an egg can be fertilized. The fertile window is six days long, including the day of ovulation and the five days before it. …

  9. Ovulation: When Is the Best Time to Get Pregnant?

    Most of us know ovulation happens somewhere mid-cycle and is linked to our peak fertility, but many women don’t learn more specifics until they’re considering pregnancy. Ovulation …

  10. Ovulation Calculator: When is your fertile window? - Flo

    Feb 10, 2025 · “The standard for ovulation time is midway through your cycle,” explains obstetrician and gynecologist Dr. Charlsie Celestine, New Jersey, US. “So a 28-day cycle …