Fertile Period Calculator (and how to calculate)

Original: Calculadora do Período Fértil (e como calcular)

Tua Saúde ·
Em Português & Español Brazil

To calculate the fertile window, you should count 14 days after the first day of your last period, to identify the 7-day interval of peak fertility. Use our online fertility calculator to find out when your fertile window will be and see how to calculate it in case of irregular periods.

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