Want this question answered?
Symmetrical IUGR may occur when the unborn baby experiences a problem during early development. Asymmetrical IUGR may occur when the unborn baby experiences a problem during later development
Toxins can cause damage to the prenatal fetus that can result in mental retardation by interferring with brain development. It can occur at any time during the pregancy, that is what pregnant women have to be very careful about what they come in contact with and what they consume.
aparteid
Development of the internal combustion engine
development of the internal combustion engine.
Cretinism is a condition of hypothyroidism during fetal life, infancy, and childhood. Characteristics include both severe stunted body growth and mental retardation. It is caused by a deficiency of Iodine, lack of a thyroid gland, or inability of the thyroid gland to produce enough hormones that are crucial to the development of a child. Cretinism can be prevented in one way by adding iodine into the persons diet.
There are many causes of retardation. These includes Down syndrome, velocariofacial syndrome, fetal alcohol syndrome, problems during pregnancy and other genetic disorders.
rickets
osteoporosis
The development of the internal combustion engine
Whorl, which is caused by a high centered volar pad during fetal development.
Insufficient protein intake by the mother.