# Week 31 of Pregnancy

Source: https://www.pregnancypowerhour.com/pregnancy/week-31
Last updated: 2026-07-01

> At 31 weeks, your baby is diligently practicing essential breathing movements, while you might be noticing more Braxton Hicks as your body gently prepares for birth.

## What's happening with baby

This week, your baby is roughly the size of a coconut, continuing their amazing growth and development. Their lungs are becoming more mature, and they're actively practicing breathing movements, inhaling and exhaling amniotic fluid. This is crucial preparation for taking those first breaths outside the womb. Your baby's brain is also rapidly developing, forming complex connections that will support their learning and sensory experiences. They're accumulating more fat layers, which will help regulate their body temperature after birth, and their kidneys are now fully developed and functioning. You might notice their movements feel a bit different now – perhaps more rolls and stretches than distinct kicks, as space inside your uterus becomes a little more snug.

## What you might be feeling

Around 31 weeks, many pregnant people start to experience more frequent Braxton Hicks contractions. These are often described as a tightening sensation across your abdomen that comes and goes, usually not painful, and typically irregular. They're your body's way of practicing for labor, and they're a completely normal part of the third trimester. You might also find that fatigue is returning, as your body works hard to support your growing baby. Pelvic pressure or mild discomfort can become more noticeable, especially as your baby settles lower. Emotionally, you might be feeling a mix of excitement, anticipation, and perhaps some gentle anxiety about the upcoming birth and parenthood. Some people also experience a surge of "nesting" energy, feeling a desire to organize and prepare the home.

## A doula's lived take

From my perspective as a birth doula, this week is a beautiful example of your body and baby working in harmony, getting ready for what's to come. Those Braxton Hicks contractions? Think of them as gentle rehearsals. They're not true labor, but they offer a valuable opportunity to practice your relaxation techniques, notice how your body feels, and perhaps experiment with different comfort measures like hydration or changing positions. I often tell clients that this is a wonderful time to lean into curiosity rather than worry. What sensations are you noticing? How does your body respond to rest versus gentle movement? 

This period is also ideal for revisiting your birth preferences. What feels important to you for your birth experience? Having these conversations with your partner and your care provider can bring a sense of clarity and confidence. Remember, you get to decide what feels right for you and your family. There are many valid paths, and being informed helps you navigate them with more ease. Trust in your body's innate wisdom; it knows how to grow and birth your baby.

## Questions worth asking your provider

As you move through this week, it can be helpful to have a list of questions for your next appointment. You might consider asking:

*   What are the key differences between Braxton Hicks and early labor contractions, and what signs should I be looking for?
*   What comfort measures might be helpful for managing third-trimester discomforts like pelvic pressure or back pain?
*   Can we discuss my birth preferences again, and are there any aspects we should explore further?
*   What is the protocol for decreased fetal movement, and what should I be tracking?

Your provider is your best resource for your specific situation, and having these conversations can help you feel more grounded and prepared.