Can you tell me the difference between perimenopause and menopause?

Transitioning: As a woman transitions into menopause, her menses may become lighter and may begin to skip. This transition is the perimenopause and lasts until a woman has not had a period for one year. After one year, we say that the patient is "in menopause" or is "post menopausal".

See answer!: Menopause is defined as no period for 12 months. It is as simple as that! peri-menopausal transition is a process that begins in most cases in your late 30's and is characterized by decreased estrogen levels, irregular cycles, and variable symptoms of menopause, such as hot flashes. I hope this helps!