I'm happy to answer your questions. Listening to music during pregnancy has a certain impact on fetal development. The following are some possible effects:

1. Emotional regulation: Music can stimulate the emotions of pregnant women and make them feel relaxed and happy. This positive emotion can be transmitted to the fetus through maternal hormones, thus having a positive impact on its emotional state.

2. Brain development: Research shows that the fetal brain develops rapidly during pregnancy. Music can stimulate the fetal auditory system and promote the connection and development of brain neurons. This may have a certain positive impact on the fetus's intelligence and perception.

3. Language development: Listening to music during pregnancy can help pregnant women establish emotional connections with their fetuses and provide language stimulation for the fetuses. Research shows that fetuses are more receptive to language learning after birth because they have been exposed to a variety of sounds and speech patterns in the womb.

4. Sleep quality: Music can help pregnant women relax and relieve stress and anxiety, thereby improving sleep quality. Good sleep is very important for the health of both pregnant women and the fetus.

However, it is important to note that each pregnant woman and fetus is a unique individual and may respond differently to music. Some fetuses may be more interested in certain types of music and less sensitive to others. Therefore, it is very important to choose music that suits you and your fetus.

In addition, excessive or overly stimulating music may have negative effects on pregnant women and fetuses. Therefore, it is recommended to choose soft, relaxing music and avoid excessively loud or irritating sounds.

In summary, listening to music during pregnancy can have a positive impact on fetal development, including mood regulation, brain development, language development and sleep quality. However, it is important to choose music that suits you and your fetus, and avoid overly stimulating sounds. If you have any further questions or concerns, it is recommended to consult your doctor or obstetrician.