It is recommended not to play with cell phones for a long time during pregnancy, it is okay to use cell phones for a short time. The main hazards of playing with a cell phone during pregnancy include the following: 1. The development of the fetus is adversely affected by the radioactivity of the cell phone, and playing with it for a long time may cause abnormal development of the fetus, so it is best to stay away from the cell phone, especially not to let it near the abdomen. 2. Playing with the cell phone during pregnancy may cause the fetus to be easily hyperactive after birth, etc. 3. The ringing of the cell phone is too loud, which can cause a certain degree of fright to the fetus, and even disturb the sleep cycle of the fetus because of the ringing of the cell phone. The phone ringing factor may even disturb the fetus’ sleep cycle.4. Pregnancy is already prone to fatigue, dry eyes, etc. If you play with the phone for a long time, it will aggravate the symptoms of eye fatigue and dryness.