Second trimesterWeek 16 of 40

Your baby at 16 weeks pregnant

Your baby is the size of a avocado — about 4.6 in long and weighing approximately 3.5 oz.

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Avocado
The size of a avocado
Length (crown to heel)
4.6 in
Approximate weight
3.5 oz
Baby's hand
18mm
Baby's foot
20mm
Pregnancy progress33%

🌱 Baby's development at 16 weeks

Your baby can make facial expressions and may even be sucking their thumb.

🤰 Your body at 16 weeks

Your centre of gravity is shifting as your bump grows. Back ache and pelvic discomfort are common — prenatal yoga and gentle stretching can help.

✨ Did you know?

Your baby can now make complex facial expressions, including smiling. Some 4D scans capture them mid-grin — an extraordinary thing to see.

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