My Pregnancy Week 15
Your little one is now roughly the size of an apple. She is about four inches long, and weighs about two and a half ounces. Her legs are now longer than her arms, and her bones are getting harder and stronger.
At 15 weeks, his skin is still thin and transparent, but he has developed a thin layer of hair to help protect his body. This layer of hair is called lanugo, and it is present on every part of your baby’s body, even his finger nails.
She is also moving amniotic fluid through her nose and upper respiratory tract. This action helps the primitive air sacs, in her lungs, begin to develop. And even though her eyes will remain fused shut until approximately 26 weeks, she can actually sense light in your womb.