What does a decrease in estrogen levels typically indicate?

A decrease in estrogen levels is most commonly associated with menopause, which is a natural biological process marking the end of a woman’s menstrual cycles. During menopause, the ovaries significantly reduce their production of estrogen and other hormones, leading to various physiological changes and symptoms, such as hot flashes, night sweats, and mood changes.

In contrast, pregnancy is characterized by increased levels of estrogen, as this hormone plays a crucial role in preparing the body for childbirth and supporting fetal development. Puberty also involves rising estrogen levels, facilitating the development of secondary sexual characteristics in females. Hyperthyroidism, a condition characterized by an overactive thyroid gland, does not directly cause a decrease in estrogen levels; rather, it can affect menstrual patterns but is not associated with a consistent drop in estrogen. Thus, the indication of decreased estrogen levels is most accurately associated with the onset of menopause.