38-Week Pregnant: Development and Diet
Listen Transcript

38 Weeks Pregnant: Your Baby's Development and Pregnancy Diet

Pregnancy
Article

38 Weeks Pregnant: Your Baby's Development and Pregnancy Diet

Jul 8, 2025
2 mins

You're in the home stretch, and it's worth picturing what hospital arrival might actually look like, plus what's still developing in your baby (her brain has years to go yet) and how your body will fuel breastfeeding once she's here.

Preparing for Your Hospital Arrival and Partner's Role

Once you arrive at the hospital or clinic, you'll be settled into a room or birthing suite and connected to a monitor tracking your baby's heart rate and your contractions. Try to stay present and share the moment with your partner, who may be feeling a mix of intense emotions, including a fear of feeling helpless. Practising deep breathing exercises together beforehand can help, and reminding them how valuable their support is to you goes a long way too.

Your Baby's Brain and Lung Milestones at 38 Weeks

Your baby's respiratory system is ready to work independently at birth, though her lungs will keep maturing for some time afterwards. Her brain, meanwhile, is her least developed organ at birth and will continue building and strengthening neural connections well into her mid-20s. As she takes in the world and experiences emotions after birth, these developing neural pathways will shape her personality, thinking, and coping skills over time.

The Caloric Demands of Breastfeeding vs. Running a Marathon

Producing breast milk is genuinely energy-intensive, and it's often said that around five days of breastfeeding uses roughly as much energy as running a marathon, a helpful way to picture just how demanding it is. If you started pregnancy at a healthy weight, you'll likely need an extra 400 to 500 calories a day to support milk production once your baby arrives. Some of this will come from the fat reserves your body built up during pregnancy, and the rest from a balanced, nutrient-dense diet.

Demystifying Cesarean Sections and Epidurals

C-sections are common, routine procedures today, designed to keep both you and your baby safe. An epidural used for a C-section numbs only your pelvic area, so you stay awake and alert to experience your baby's first moments. Most hospitals and clinics are also happy to have your partner scrub in and stay by your side throughout.

Sources