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Week by week

Week 29

Third trimester

Your baby is the size of a Butternut Squash

38.6 cm
Length
1153 g
Weight

This week at a glance

❤️HeartbeatStrong and regular, ~120–160 bpm
🧠Major developmentMuscles and lungs maturing; bones fully developed

Baby

Your baby's muscles and lungs continue to mature, and the bones are fully developed though still soft. The baby is gaining weight steadily as more fat is laid down, which helps regulate temperature after birth. Movements may feel stronger but more cramped.

Mother

Nutrition

IronCalciumDHA (omega-3)Folate

Lean protein · Dairy and fortified foods · Iron-rich leafy greens · Oily fish · Beans and lentils

Tips

Do

Avoid