Ovulation Calendar Publisher's description:

Calculates the time of ovulation and generates your personal fertility calendar

The Ovulation Calendar helps you calculate your fertile days of the month, so you can achieve or avoid pregnancy. The calendar is based on the date of the last period, the average period length and the Luteal Phase. Using this information a chart is generated, for each month, including details as Next Period Date, when is best to conceive a boy or a girl, your ovulation day or when you should abstain from intercourse to avoid pregnancy.

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