Extrapolating, the het-norm/low FMR1 sub-genotype, representing approximately 78.8 percent of BRCA1/2 patients, spread over only ca. a quarter of all women, would reflect 3.95 to 7.9 percent of all breast and 7.9 to 11.9 percent of ovarian cancer risk, concentrated in only approximately a quarter of the female population. This evidence concerns the gene BRCA1 and ovarian cancer.