Which hormones fluctuate throughout the month during my cycle – estrogen and progesterone, or just estrogen? The menstrual cycle proceeds through a complicated and highly coordinated dance of hormones. By convention the cycle begins with menstruation. During this time, levels of estrogen and progesterone are low. During the next part of the cycle, levels of estrogen begin to rise, reaching
Research has shown that hormones -- estrogen and progesterone -- play a role in autoimmune disease. Hormones are thought to be one reason that 75% of people with autoimmune conditions are women. Trigger points for autoimmune onset are at puberty, pregnancy and menopause, when hormone levels are changing in our lives as women.