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.
Many hormone levels are affected in the body during pregnancy, with several hormones playing major roles during pregnancy. These include: Human chorionic gonadotropin hormone (hCG). This hormone is only made during pregnancy â almost exclusively in the placenta. HCG hormone levels found in maternal blood and urine increase dramatically during the first trimester. They may contribute to causing nausea and vomiting often associated with pregnancy. Human placental lactogen (hPL). This hormone, also known as human chorionic somatomammotropin, is made by the placenta.