Breast and Cervical Cancer Mortality Prevention Act of 1990 - Amends the Public Health Service Act to direct the Secretary of Health and Human Services, through the Director of the Centers for Disease Control, to make grants to States, with regard to breast and cervical cancer, for screening, referrals and follow-up services, public information and education programs, education and training for health professionals, quality monitoring of screening, and evaluations of such activities. Sets forth preferences in making the grants and requires equitable geographical distribution. Requires matching non-Federal funds in a specified ratio.

Requires that States agree to: (1) provide all of certain services by a specified date; (2) switch to any improved screening procedures which become available; and (3) assure the quality of any screening procedures used.

Directs the Secretary to establish guidelines for assuring the quality of mammography and cytological screening conducted under these provisions.

Requires that low-income women be given priority in the provision of services. Requires that a charge for services, if any: (1) be made according to a public schedule; (2) be adjusted for income of the woman involved; and (3) not be imposed on women with incomes below the poverty line. Requires services to be provided throughout a State, including to members of any Indian tribe or tribal organization.

Authorizes the Secretary to provide training and technical assistance. Directs the Secretary to provide for annual evaluations of programs carried out under this Act.

Authorizes appropriations.

Limits the number of grants made to seven in FY 1991.