Pregnancy nutrition for weeks 33–36
The baby's systems are largely in place; the focus is on maturing and preparing for delivery.
What is developing
- Brain and nervous system development continues.
- Your baby's body keeps gaining weight and smoothing out.
- Readiness for breathing improves as lungs keep developing.
Nutrient highlights
These highlights organize food comparisons. Daily nutrient needs continue throughout pregnancy; priority labels are not trimester-specific intake targets or medical advice.
Iron
High priorityIron supports maternal and fetal blood needs late in pregnancy.
Iron needs increase in pregnancy and adequacy matters for red blood cell production.
Protein
High priorityProtein supports ongoing growth and tissue repair and preparation for birth.
Protein supports growth of new tissue during pregnancy.
Calcium
Medium priorityBone structure continues to mature as birth approaches.
Calcium is essential for bones and teeth.
Vitamin D
Supporting priorityVitamin D supports calcium absorption and bone health.
Vitamin D helps the body use calcium effectively.
Practical notes
- Third trimester calorie needs often rise to about +450/day for many people.
Sources
- NHS 111 Wales: Pregnancy week by week (weeks 33-36)
- CDC: Weight gain during pregnancy (calorie needs by trimester)
- health.gov MyHealthfinder: Eat healthy during pregnancy (calorie needs by trimester)
- NIH Office of Dietary Supplements: Iron (Health Professional)
- NIH Office of Dietary Supplements: Dietary Supplements and Life Stages: Pregnancy (Health Professional)
- National Academies Press: Dietary Reference Intakes (Protein and Amino Acids; pregnancy RDA summary)
- NIH Office of Dietary Supplements: Calcium (Health Professional)
- NIH Office of Dietary Supplements: Vitamin D (Health Professional)