Fingernails are well formed. The illustration on page 139 shows legs are longer than arms. Arms and legs are moving. You can see this movement during an ultrasound examination. You may also be able to feel your baby move at this point in your pregnancy.
Many women describe feelings of movement as a gas bubble or fluttering.
Often, it's something you have noticed for a few days or more, but you didn't realize what you were feeling. If you haven't felt your baby move yet, don't worry. Fetal movement, also called quickening, is usually felt between 16 and 20 weeks of pregnancy. The time is different for every woman. It can also be different from one pregnancy to another.