Menopause Is Best Defined As

Menopause is best defined as:

A) the point at which a women stops producing follicle stimulating hormone.
B) the point at which a women ceases to menstruate.
C) the point at which a women stops producing luteinizing hormone.
D) the condition in which a young woman never begins menstruating.
E) the condition in which a young woman loses excess blood during menstruation.