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.
There are other theories as to what causes nausea during pregnancy as well. Some other contributing factors might be: 1  Estrogen is another hormone that rises during early pregnancy and could contribute to queasiness.  A sensitive stomach could be made worse while trying to adapt to the changes of pregnancy.