A natural stage in life.
One of the first symptoms a woman may notice as she enters perimenopause is changes to her menstrual cycle. Bleeding may become lighter or heavier than usual. The period may last longer or shorter than usual, and periods may come in varying intervals.
Many women experience heavy bleeding during perimenopause, due to lower levels of progesterone, which cause the uterine lining to become thicker before shedding. Other health conditions affecting the uterus, like fibroids, could also be responsible for an increase in flow, so a doctor should evaluate any abnormality you may experience.
Even though her hormone levels are decreasing, a woman may still become pregnant during her perimenopause years. It's important to use birth control to prevent unwanted pregnancies and sexually transmitted infections during this time.
All women experience symptoms differently but usually, the last 1-2 years of perimenopause when the decline in estrogen speeds up, is when women experience most of the following symptoms: