<prompt> The sensitivity of Mammography is low in young females because?Less glandular tissue and more fatYoung females are less cooperativeYoung breast have dense tissueBecause of less fat content  <response>: C i.e. Young breast have dense tissue The mammoigaphic appearance of breast depends on the relative amount of fat and glandular tissue which are present. Young womans breast contains a large propoion of glandular tissue which appears as a soft tissue densityQ and lowers the sensitivity of mammogram. Mammographic appearance of breast Based on the relative amount of fat and glandular tissue - Glandular breast dense breast: In young woman, where breast contains large amount of glandular tissue - Adipose breast: Fatty breastIn older women where most of the glandular tissue has involuted Involuting breast : When mixture of soft tissue and fat density present. 