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Calm, plain-language guides about pregnancy dates and timelines. No popups, no sign-ups.

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  19 July 2026

  Which Date Should I Use in a Pregnancy Calculator?

  Guidance on choosing between LMP, ultrasound, IVF transfer or known conception dates when using a pregnancy calculator, with reminders to follow your care team’s advice.

  • pregnancy
  • due date
  • calculators

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