Blog
Calm, plain-language guides about pregnancy dates and timelines. No popups, no sign-ups.
Browse by topic
- Due dates4How due dates are estimated, why they move, and which date to trust.
- Scans & reports4Making sense of ultrasound reports, scan wording and clinic notes.
- Pregnancy weeks4Week counting, trimesters and the labels used along the way.
- Fertility & IVF1Ovulation, implantation and IVF timelines explained calmly.
- How SoftBump works2The maths behind our calculators and why results can differ.
Latest posts
How to Read Your Pregnancy Ultrasound Report (Without Panic)
A calm, plain-language walkthrough of the main parts of a pregnancy ultrasound report and what each section is there for.
How Ultrasound Can Change Your Pregnancy Timeline
An explanation of how early ultrasound measurements can refine your pregnancy dates and why this sometimes changes your week number or due date.
What ‘Gestational Age on Date’ Means in Scan Reports
A plain-language guide to understanding lines like GA 10+4 on 2026-08-01 in ultrasound and clinic reports.
Why Your Week Number Can Change After a New Scan
A focused explanation of why your pregnancy week number may be updated after an ultrasound and what that means for your timeline.
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.
Understanding Trimester Boundaries: Where One Stage Ends and Another Begins
A simple guide to how first, second and third trimesters are defined in pregnancy, and what these boundaries mean in practice.
Gestational Age vs Fetal Age: Why They’re Different
A calm explanation of why doctors count pregnancy weeks from your last period and why that number is usually about two weeks ahead of conception.
Pregnancy Timeline for IVF: From Transfer Date to Due Date
A clear explanation of how IVF transfer dates are used to estimate pregnancy timelines and due dates, without replacing clinical guidance.
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.
Early, Full and Late Term: What Those Pregnancy Labels Mean
A plain-language explanation of what early term, full term and late term mean, without giving individual medical advice.











