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Ovulation Calculator: When Am I Ovulating?
Trying to predict your ovulation window each month can be frustrating when you’re trying to conceive. Ovulation calculators are a useful tool to estimate your fertile days and optimize your chances. But how accurate are they, and what are the best ones to use?
What is Ovulation?
Ovulation is when a mature egg is released from the ovary during a menstrual cycle. It typically occurs around day 14 in women with a 28 day cycle, but can range from day 11-21 depending on your unique cycle length.
The egg lives for only about 24 hours after ovulation. For pregnancy to occur, sperm must fertilize the egg within this short window. Ovulation is the key fertility marker to track.
Why Use an Ovulation Calculator?
Ovulation calculators estimate your fertile window each cycle based on the typical days ovulation occurs relative to your cycle length and period start date.
Benefits of using an ovulation calculator include:
How Accurate Are Ovulation Calculators?
Ovulation calculator accuracy depends greatly on how regular your cycles are:
No calculator can definitively tell you whether or when you will ovulate. Stress, illness, travel and other factors can shift your ovulation timing. Clinical research finds ovulation calculators alone predict ovulation day correctly only around 50-70% of the time.
Tips for Using Ovulation Calculators
To take advantage of ovulation calculators:
The takeaway is ovulation calculators provide a useful starting point for timing conception efforts each cycle. However, combine it with other tracking methods like cervical mucus monitoring and OPKs to increase accuracy and pinpoint your peak fertility window.
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