The fetus will move in 12 weeks of pregnancy, but the pregnant woman can not feel the fetal movement temporarily, usually 16-20 weeks of pregnancy can feel the fetal movement. 12 weeks of pregnancy from the embryo development into a fetus, its internal organs are basically formed, but the fetus is stimulated by the sucking action, eyelids have a reaction, able to breathe, able to move legs and feet, fingers, mouth can open, close and swallow, the fetus will move, but the pregnant woman can not yet feel, these movements are relatively weak. Fetal movement is usually felt around 16-20 weeks of pregnancy. Each pregnant woman feels fetal movement at a different time, the beginning of the fetal movement is relatively weak, similar to the fish in the water spitting bubbles or butterflies in the flap of the wings of the feeling, with the increase in pregnancy weeks fetal movement will become more regular and more powerful. 12 weeks pregnant can go to the hospital to do ultrasound examination, know whether the development of the fetus in the womb is normal, if normal, don’t worry too much; abnormalities, need to consult a doctor in time for treatment.