This depends on which sexually transmitted infection (STI) you have. Some STIs cause few or no symptoms, so you may not know you have one.
Answer:
The symptoms involved in ontogenesis imperfect are- bone breakage, pain in bone, deformation of bones, brittle teeth, coloured tint in the white portion of eyes, loss in hearing and loose joints.
Explanation:
In the disease, ontogenesis imperfect, the strong bone formation in body is prevented by the defective gene that produces collagen protein. People who have the deficiency of collagen by birth, can develop this disease or can have it by birth. This defect can be hereditary.
The symptoms included in this disease are the- deformation and breakage of bones, pain in bone, grey or purple tint in the white portion of the eye, short stature, brittle teeth, hearing impairment and loose joints.
A web of causation model can vaccines and improved sanitation cause the death rate to decrease.
<h3>What web of causation model?</h3>
A web of causation model is a model designed to relate the causes and effects of a disease, exploring multiple causative factors and giving each same attention for such chronic disease.
For example, a web of causation model for a person who contracted Corona virus would study the factors involved relating to how such person may have contracted this disease, any health factors that make the person prone to contracting the virus etc.
Thus, Web of causation model is an epidemiological model used to organize research so as to identify determinant factors and provide relevant interventions and cure to a chronic disease.
To learn more about epidemiological transition click here;
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It stands for the Food and Drug Administration