Breasts by the Numbers

1893: The year New York's Marie Tucek patented a "breast supporter," one of the earliest known bra predecessors. (source: The New York Times)

1907: The year the word "brassiere" makes its public appearance in a Vogue advertisement. (source: The San Francisco Chronicle)

1933: The year S.H. Camp and Company became the first undergarment manufacturer to begin matching breast sizes to alphabet letter A through D. (source: Discover)

1962: The year Timmie Jean Lindsey became the first American woman to get silicone breast implants. (source: HowStuffWorks)

1977: The year the sports bra, originally called the "Jogbra," was invented. (source: Discover)

56: Weight in pounds of the largest pair of breasts -- size 48V -- listed in the Guinness Book of World Records. (source: National Geographic)

4: Percent of the population with inherited mutations on Breast Cancer Susceptibility Genes 1 and 2. (source: National Cancer Institute)

8: Vertical distance in inches that breasts jiggle during exercise, according to a 2007 study from the University of Portsmouth. (source: LiveScience)

25: Percent of women with noticeably asymmetrical breasts. (source: Women's Health)

9: Average number of bras women own. (source: Redbook)