Menopause is when your periods stop due to lower hormone levels. This usually happens between the ages of 45 and 55. Perimenopause however, is when you have menopause symptoms before your periods have stopped. Symptoms can start as early as your 30s and 40s, before your periods stop. These symptoms can have a big impact on your life, including relationships and work. This article looks at the things you can do to help and manage symptoms.