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Pregnancy week by week

41 weeks pregnant

Going past your due date.

In short

At 41 weeks your baby is about the size of a watermelon, around 51.8 cm long. Going past your due date.

  • Third trimester, week 41 of about 40.
  • In Ireland, women with a straightforward pregnancy are offered an induction at 41 weeks, after a full talk about the benefits and risks.
About the size ofWatermelon
Length, head to heel51.8 cm
Typical weightEvery baby differs
3D illustration of a baby at 41 weeks of pregnancy
Your baby at 41 weeks, a 3D illustration, not to scale. 3D model: Baby by joekarava, CC BY 4.0, changed by Lullagram.

Turn your baby round in 3D every week in the free Lullagram pregnancy section

Your baby's growth has slowed right down and they are ready for life outside. Babies born after their due date often have dry, peeling skin because the vernix has worn away.

How big is my baby at 41 weeks?

At 41 weeks your baby is about the size of a watermelon, around 51.8 cm long. Before about 14 weeks babies are measured from crown to rump; after that the figure is head to heel. These are typical figures from fetal growth charts. Your own baby may be bigger or smaller, and your scans are what count.

What is my baby doing at 41 weeks?

What changes for me at 41 weeks pregnant?

What is a good tip for this week?

Keep your hospital bag by the door and rest as much as you can.

What can a partner do this week?

Answer the "any news?" messages so they can rest.

What should I know in Ireland at 41 weeks?

When to get help: If your baby's movements slow down, change or stop, contact your maternity unit straight away without waiting. HSE: when to get help.

Want these updates on your phone? The Lullagram app has a free pregnancy section with this week-by-week guide, Irish dates worked out from your due date, a contraction timer and more. When your baby arrives, the baby tracker is ready in the same app.

Guides for your pregnancy: pregnancy care in Ireland · maternity leave and benefit · hospital bag checklist · popular baby names · free IVF in Ireland · due date calculator

Sources and guidance

This page is written to be consistent with the official guidance below. It is general information for parents in Ireland, not medical advice. Links checked 23 September 2026.

A great app that has made them late night feeds and nappy changes easier. The fact my account links with my partner means we both know how baby is doing and takes away the guess work at night of what time baby is due or has been feed. Looking forward to using the other elements of the app as our little man grows.
Maria M., a parent using Lullagram, on Google. Rated 5.0 by parents: read more reviews

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