Yelling loudly in late pregnancy may have some effects on the fetus. Late pregnancy pregnant women yelling loudly not only affects the normal development of the fetus, but also is not conducive to the physical and mental health of pregnant women. Generally speaking, the impact of occasional loud roaring by pregnant women in late pregnancy is not very great. However, late pregnancy pregnant women often yell loudly, emotional ups and downs are relatively large, intra-abdominal pressure increases, the body’s hormone levels are disturbed, and in serious cases, can lead to intrauterine fetal hypoxia, preterm delivery or affect the development of the fetus and so on. Therefore, to the late stage of pregnancy, it is recommended that pregnant women learn to control their emotions, do not yell loudly, so as not to affect the normal growth and development of the fetus. Normally, you can listen to some soothing music to relax your mood. You can also take a walk with your family, chat, talk about your inner feelings, and learn to correctly resolve bad emotions to provide a good environment for the healthy growth and development of the fetus.