For most African Americans, the observance of life events follows the pattern of mainstream American culture. While African Americans and whites often lived to themselves for much of American history, both groups generally had the same perspective on American culture.
Causes of Menstruation Nausea. As far as nausea is concerned, there are some very exquisite things which can result in nausea when a woman is having her periods. One of the possible causes of experiencing nausea during the time of the menstrual period is, the simple changes in the hormone levels, that is happening in her body.
1 No one knows how hCG contributes to nausea, but it's a prime suspect because the timing is right: Nausea tends to peak around the same time as levels of hCG. 2  What's more, conditions in which women have higher levels of hCG, such as carrying multiples, are associated with higher rates of nausea and vomiting.