You can find out the fetal heart around 50 days of pregnancy, it is better to go to the hospital for ultrasound examination. If there is no fetal heart, the fetus may be underdeveloped, it is recommended to recheck after a week; if there has been no, it is recommended to abort to avoid intrauterine infection. Early pregnancy is a critical period for fetal development, it is best not to stay up late and not to use food and drugs indiscriminately, such as not to eat cinnamon and hawthorn, which can easily cause miscarriage. If you take drugs indiscriminately, it is easy to cause fetal malformation. Usually pay attention to eat more vegetables and fruits, and reasonably supplement vitamins. In addition, it is recommended to rest in bed, avoid strenuous exercise, so as not to cause miscarriage, avoid sexual intercourse in early pregnancy, also need to pay attention to appropriate activities to enhance resistance, can prevent bacterial and viral infections.