Due dates
How due dates are estimated, why they move, and which date to trust.
Why Very Few Babies Arrive Exactly on Their Due Date
A reassuring explanation of why due dates are estimates and why many healthy babies arrive earlier or later than the calculated day.
Why Your Due Date Changed After the First Ultrasound
A calm explanation of why clinics sometimes update your due date after early scans, and what it really means.
How Pregnancy Due Dates Are Calculated (LMP, Conception, IVF and Ultrasound)
A calm explainer of the common methods for estimating your due date and why they sometimes differ.
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.
