Pregnancy due-date calculator

Work out your estimated due date using our simple calculator:

  1. Input the date of your last menstrual period
  2. Input the average length of your cycles in days
  3. Input your average luteal phase
  4. Use the calculate button to read your pregnancy details.
Calculate your pregnancy due-date

Calculate your pregnancy due-date

All fields marked with an asterisk * are mandatory.

The second half of the menstrual cycle after ovulation

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