Preimplantation Genetic Testing for Breast Cancer.

Breast cancer (BC), a malignant tumor characterized mainly by a lump in the breast and a change in breast shape, has plagued many women of childbearing age in Nigeria today. This has thus propelled many to find both prophylactic and curative agents to combat BC in affected persons. This article extensively reviews a method of preventing BC in the offspring of affected parents, known as preimplantation genetic testing (PGT) - an assisted reproductive technique that selects genetically unaffected embryo(s) to be transferred to the uterus of a mother upon fertilization and standard genetic analysis.