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Ovulation and Fertility calculator

Use WomanLog's Ovulation Calculator to figure out your most fertile days and a date when you may be ovulating. This calculator helps you work out when you could get pregnant.

First day of your last menstrual period
Your average cycle length
Your average cycle length
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WomanLog app – safe and private period tracker, does not share or sell user data
At WomanLog, your personal information is always private and secure. We never share or sell your data to third parties. Your privacy is our priority. You can also read an independent study that confirms this.
Woman pondering emotions during ovulation: Understanding the link between ovulation and emotional changes.
Have you ever noticed that around the middle of your cycle, your mood changes for a few days? It might be a sign of ovulation symptoms. Although the ovulatory phase of a menstrual cycle is the shortest, it’s also the most significant one.
Harmonizing Health: Understanding and Managing Premenstrual Syndrome (PMS).
Headaches. Sore breasts. Mood swings. Irritability. Cramps. Fatigue. Trouble sleeping. Bloating. Food cravings. Acne. PMS is not kind.