Freebase(0.00 / 0 votes)Rate this definition: Portable Network Graphics. Portable Network Graphics is a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format, and is the most used lossless image compression format on the World Wide Web.
Definition of menopause. 1 : the natural cessation of menstruation that usually occurs between the ages of 45 and 55; also : the period during which such cessation occurs âcalled also climacteric â compare perimenopause. 2 : cessation of menstruation from other than natural causes.
Menopause (sometimes called the change of life) is a normal time in a woman's life when her period stops. During menopause, some women have problems like hot flashes, vaginal dryness and irritation, and thin bones. Some women choose to treat their symptoms with hormone medicines sometimes called Hormone Therapy. Check the resources on this page to learn more about menopause and hormones.