List the factors that negatively affect the development of the human embryo.

Hereditary factors – many pathologies of fetal development are explained by a special combination of chromosomes, for example, Down’s syndrome; lack of nutrients in the mother’s diet leads to a slowdown in the growth and development of the embryo; infectious diseases of the mother, for example rubella, leads to a violation of the mental development of the child; medicines, alcohol, drugs, household chemicals can cause various mutations; environmental pollution (chemical, radiation, biological) can also act as mutagens and cause disturbances in the development of various organ systems; psychological stress of the mother; heavy metal salts cause intoxication of the mother and fetus; alcohol causes malformations, and smoking of a pregnant woman leads to preterm birth, less weight of the newborn and various disorders.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.