Menopause typically starts around the age of 51. But how long does it last? We're talking about this life change in tonight's Ask the Doctor segment with Dr. Tanya Phares.

She's a women's health expert with Northern Nevada Medical Center.

If you have any questions for her, call 858-2222 between 5 p.m. and 6 p.m. tonight.

Symptoms can include night sweats, moodiness, hot flashes and irritability.  

Hormone replacement therapy is common.  

Menopause can last up to four years.