Generally, the face of the fetus can be seen by taking pictures at 20 to 24 weeks of pregnancy. Generally at the end of the eighth week of pregnancy when the embryo first human form, through the ultrasound examination can distinguish the eyes, ears, nose, mouth and fingers, toes and other parts of the body, but due to the months of small face and can not see clearly. Around 5 months of pregnancy fetal facial organs are basically well developed, at this time you can go to the hospital to do four-dimensional ultrasound examination, through four-dimensional ultrasound examination can see the fetal lips and face, to understand whether there is the problem of deformity of the five senses, you can also give the baby to take pictures of the face to keep as a souvenir. After pregnancy, you should pay attention to do regular pregnancy checkups, in order to keep abreast of whether the development of the fetus is normal or not, and if there is any problem, it should be dealt with in a timely and symptomatic manner.