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week 16
Illustration of baby development at week 16 of pregnancy

Growth and Movements: Your Baby in the Sixteenth Week of Pregnancy

Updated on

  • Baby size 11.6 cm
  • Approximate weight 100 g
  • About the size of an avocado

At the 16th week of pregnancy, your baby has grown significantly and is approximately 11-12 cm and weighs around 100 grams. The limbs are well formed and the baby can move them freely, developing reflexes and more coordinated movements. The ears are in their final position and the baby can begin to hear sounds, such as the mother's heartbeat. The baby's skin is translucent, allowing the blood vessels underneath to be seen. This is an exciting period where the baby begins to interact more with her environment and continues to grow and develop rapidly.

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The images and descriptions of the baby's development from week 1 to week 42 have been generated using artificial intelligence. Although they offer a close representation, they are not 100% accurate. For exact, personalized information about your baby's development, we recommend getting an ultrasound and consulting your doctor.

This content is for educational purposes and does not replace medical advice. Sizes and weights are reference averages and vary in every pregnancy. If you notice any warning sign, seek medical care immediately.