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Development in Progress: Your Baby in the Fifteenth Week of Pregnancy

In the fifteenth week of pregnancy, your baby continues to grow and develop at a rapid rate. It measures around 10-11 cm and weighs about 70 grams. The bones are beginning to harden, especially in the legs and skull. The legs are getting longer than the arms and the joints are developing, allowing the baby to move freely inside the womb. The baby is also beginning to form sleep-wake patterns, and she may begin to react to external stimuli, such as light and sounds. This is an exciting period where each day brings new changes and developments on the path to birth.

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The images and descriptions of your baby's development from week 1 to week 42 have been generated by artificial intelligence. Although they provide a close representation, they are not 100% accurate. To obtain accurate and personalized information about your baby's development, we recommend that you have an ultrasound and consult your doctor.