menopause; change of life
Medical or formal term for menopause; 更年期 (こうねんき) is more common in everyday contexts.
Hormonal balance changes occur during menopause.
Symptoms of menopause vary from person to person.
Compound of 更生 (こうせい, 'renewal' or 'regeneration') and 期 (き, 'period'), referring to the transitional phase of menopause.