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Week by week

Week 27

Second trimester

Your baby is the size of a Cauliflower

36.6 cm
Length
875 g
Weight

This week at a glance

❤️HeartbeatStrong and regular, ~120–160 bpm
🧠Major developmentBrain activity increases; regular sleep–wake cycles

Your baby's brain is very active and developing rapidly, establishing more regular sleep and wake cycles. The lungs continue to mature, and the baby may now hiccup, which you might feel as small rhythmic movements. This is the last week of the second trimester.

Nutrition

IronCalciumDHA (omega-3)Protein

Lean meats · Dairy or fortified alternatives · Oily fish · Whole grains · Leafy greens

Tips

Do

Avoid