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Niger Med J. 2019 May-Jun;60(3):99-105. doi: 10.4103/nmj.NMJ_124_18.

Preimplantation Genetic Testing for Breast Cancer.

Author information

1
Medical ART Center, Institute of Reproductive Medicine, Ikeja, Lagos State, Nigeria.
2
Department of Anatomy, Babcock University, Ilishan-Remo, Ogun State, Nigeria.

Abstract

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 in vitro fertilization and standard genetic analysis. The present study also seeks to present the techniques involved in PGT that have been reported to prevent the inheritance of BC, its benefits and risks, related case studies in Africa and other continents, and ethical issues surrounding the application of assisted reproduction for BC testing. To achieve these, a thorough search was conducted in reputable scientific journals of reproduction and cancer, and expert knowledge was consulted with regard to these aspects of health and reproduction. Upon reviewing this very important subject, it was confirmed that the beneficial role of assisted reproduction in the field of science and the homes of many cannot be overestimated. This review of the role of PGT in BC prevention will enlighten the understanding of many - creating awareness that with PGT, BC-affected women can have not only children, but also healthy and genetically unaffected children.

KEYWORDS:

Breast cancer; genetic analysis; in vitro fertilization; preimplantation genetic testing

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