Summary:  Teenagers are most vulnerable and negatively impacted by abortion and hormonal contraception.

At a time when their breasts are already growing, induced abortion alters their physiology in a way that results in a much higher risk of subsequent breast cancer.

By choosing abortion, a woman increases her risk of breast cancer in four ways:

  • she creates in her breasts more places for cancers to start, which is the “independent effect”;

  • she loses the protective effect that a full-term pregnancy would have afforded her;

  • she increases the risk of premature delivery of future pregnancies, thus losing the benefit to breast cells that a full-term pregnancy gives; and

  • she lengthens her susceptibility window. 

Following abortion, many teen women take hormonal contraceptives that in most circumstances can elevate the risk of breast cancer even more.  Contraceptives containing estrogen-progestin drugs increase breast-cancer risks by causing breast cells to proliferate increasing the chance of mutations leading to cancer cells, and by acting as direct carcinogens.

 1.   Normal Breast Physiology, The Reasons Hormonal Contraceptives and Induced Abortion Increase Breast-Cancer Risk, The Linacre Quarterly 76 (3) (August 2009): pp. 236-249.


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