Week 21

You can't hide it any more—even strangers can tell that you are expecting! You may sometimes suffer from swollen fingers, ankles, or feet, as about three-quarters of pregnant women do. You may also notice that your nipples are secreting a thin, yellowish liquid—known as colostrum—as your breasts prepare to make breast milk.
 

My Baby in the 21st Week

Your baby now weighs about 300 g and is halfway to his birth length. As he picks up more fat and becomes plumper, he's starting to resemble a baby doll. His brain is growing quickly, and his digestive system is starting to function at a basic level. With his developing senses, he's more aware of your sleeping and eating habits, as well as light and noise levels in your surroundings.