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week 17
Illustration of baby development at week 17 of pregnancy

Movimientos Activos: Tu Bebé en la Decimoséptima Semana de Embarazo

Updated on

  • Baby size 13.0 cm
  • Approximate weight 140 g
  • About the size of a turnip

By the 17th week of pregnancy, your baby has grown considerably and measures approximately 13-15 cm and weighs around 150 grams. The baby's movements are more active and you may begin to feel small taps and kicks. The internal organs are fully functioning and the baby's skeleton, which was previously made of cartilage, begins to harden and turn into bone. The baby also begins to form body fat, which will be essential for regulating temperature after birth. This is a fascinating period where the baby interacts more with her environment and continues to 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.