What has the baby developed at 16weeks?

At 16 weeks, the baby is undergoing significant development, including the formation of facial features and the development of limbs. The baby's bones are beginning to harden, and they can also make facial expressions, such as frowning or smiling. Additionally, the baby’s skin is becoming less transparent, and they are starting to move more actively, although the mother may not yet feel these movements. The baby's heart is fully developed and is pumping a significant amount of blood throughout the body.