Supplements are the most common cause of vitamin A toxicity. Vitamin a toxicity tends to not occur from eating vitamin a rich foods
The answer is Periodontitis because all the other categories don't fit in oral health.
The investigator must obtain consent from the pregnant woman and the father of the fetus. It is a case of parental consent requirement.
Medical information in order to guide non-obstetrical healthcare during pregnancy is a fundamental issue for the health of pregnant women and their offspring.
Paternal consent related to the clinical regulations in research is always required, especially for pregnant women.
In the case of a life-threat condition for pregnant women, consent must be only obtained by the pregnant woman.
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