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37 weeks pregnant: what's happening to you and your baby

You're in your third trimester, around 9 months pregnant. How your baby is growing at 37 weeks, what you might be feeling, and what to sort this week.

Katie Manson
October 11, 2026
A pregnant woman at home by the window
TrimesterThird
BabyAbout 48.6cm from head to heel
Countdown3 weeks to go

Your baby at 37 weeks

Most babies are now head down, facing your back.

Your baby might be practising facial expressions, like frowning and smiling.

Your body at 37 weeks

More discharge and Braxton Hicks are common.

As your baby moves lower, heartburn and needing to wee may ease. You may get a sudden urge to clean everything. Try to rest instead.

Nesting is real. Delegate the skirting boards.

Your to-do list at 37 weeks

  • Read up on the signs of labour and when to call your maternity unit.
  • Have your RSV vaccine if you haven't yet.

When to call your midwife

Contact your maternity unit straight away, day or night, if your baby's movements slow down, stop or change, if your waters break, if you have bleeding, or if you have a bad headache, vision problems or sudden swelling. Don't wait until the next day.

How big is my baby at 37 weeks pregnant?

At 37 weeks, your baby is about 48.6cm from head to heel.

How many months is 37 weeks pregnant?

37 weeks pregnant is around 9 months, in the third trimester.

What should I do at 37 weeks pregnant?

Read up on the signs of labour and when to call your maternity unit.

Keep reading

This guide is general information based on NHS week-by-week guidance, not medical advice. Every pregnancy is different, and baby sizes are averages. If you're worried about anything, contact your midwife, GP or maternity unit. See the NHS week-by-week guide.

If you’re trying to conceive (TTC), you probably know that there are certain foods and nutrients that become especially important once you’re pregnant. But nutrition plays a vital role even when trying to conceive, much like laying a strong foundation before constructing a house.

Certain nutrients create that foundation by supporting egg and sperm health (yes, nutrition matters for both partners), hormone balance and creating a hospitable environment for a fertilized egg to implant. In fact, studies show that certain nutrients can help increase fertility and improve success rates for both natural conception and fertility treatments.

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In other words, nutrition is a key player in the TTC journey, but getting the right nutrients in the right quantities can be tricky. That’s where supplements come in. Just as you’d take a multivitamin to fill in nutritional gaps for optimal health, fertility supplements can give you that extra nutrient boost.

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Choosing supplements for your fertility journey

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When choosing a supplement to support your fertility journey, look for science-backed, high-quality ingredients. Our editors are careful to select and partner with brands that use ingredients that have been clinically studied to support fertility. Eu Natural® (pronounced you) covers all those bases and more. We love knowing that Eu Natural® products contain zero artificial additives, binders, or fillers and are lab-tested to ensure purity and potency.

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Photobook: Luthier. Beeches Lane by &Something

When choosing a supplement to support your fertility journey, look for science-backed, high-quality ingredients. Our editors are careful to select and partner with brands that use ingredients that have been clinically studied to support fertility. Eu Natural® (pronounced you) covers all those bases and more. We love knowing that Eu Natural® products contain zero artificial additives, binders, or fillers and are lab-tested to ensure purity and potency.

Katie Manson