Explanation:
Objectives of health education are as follows:
To provide health behavior of the people.
To promote health facilities and services.
To establish healthy environment.
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Brain defects during fetal development can lead to mental illness.
Infections have also led to mental illness as well, such as Streptococcus<span> which causes </span>pediatric autoimmune neuropsychiatric disorder
Answer:
From fertilization and to the end of the second week.
Explanation:
The development of the fetus is divided into three periods, established by most embryologists: pre-embyonic period, which goes from fertilization to the second week of development, embryonic period, which goes from the third week to the eighth week, and the fetal period, which goes from from the third month until the end of pregnancy.
The pre-embyonic stage begins at fertilization and remains until gastrulation. By the end of the second week the embryo already has the neural tube formed, although it is still open at both ends.
