What are the symptoms of approaching menopause?

Perimenopause usually presents with symptoms such as hot flashes and sweating. Patients may experience menstrual irregularities, hot flashes, sweating, irritability, insomnia, depression, and other symptoms, caused by declining ovarian function, reduced estrogen levels, and abnormal fluctuations in estrogen. In most patients, the menstrual period becomes prolonged and menstrual flow increases, sometimes leading to heavy or prolonged bleeding, which may gradually decrease or cease. Some patients may become irritable and frequently have conflicts with family members, affecting family relationships.