Calculadora de concepción

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Curious about when you conceived? This calculator works backwards from your due date, baby's birth date, or an ultrasound scan to estimate the most likely conception window. It uses established obstetric guidelines — a 280-day gestational period and an average ovulation on day 14 of a 28-day cycle — to pinpoint the 11-day window when fertilisation most likely occurred.

Cómo usar

1. Choose your calculation method — Due Date, Baby's Birth Date, or Ultrasound Date.
2. Enter the relevant date (and gestational age if using the ultrasound option).
3. Press Calculate to see your estimated conception window, likely ovulation date, and estimated last menstrual period.

Características

Preguntas frecuentes