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effects_of_miscarriage_on_breast_cancer_risks [2015/10/22 21:16]
marri
effects_of_miscarriage_on_breast_cancer_risks [2017/05/26 08:00] (current)
marri
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 =====1. First-Trimester Miscarriage===== =====1. First-Trimester Miscarriage=====
  
-In her first trimester, the mother’s ovarian production of estrogen and progesterone (in response to fetal hCG((The embryo’s production of hCG (human chorionic gonadotropin) acts as a chemical signal and causes the mother’s ovaries to increase her production of estrogen and progesterone before the embryo is implanted in the mother’s womb. These hormones sustain the pregnancy. ))) maintains the pregnancy. Early miscarriage is often a response to hormone levels insufficient to maintain the pregnancy, due to an abnormality that inhibits the embryo from producing sufficient hCG or to the mother’s ovaries’ failure to respond to the hCG. The levels of estrogen and progesterone during an abnormal pregnancy that result in a first-trimester miscarriage are insufficient to stimulate breast development. As the breasts were never stimulated to grow, the mother normally has no change in breast cancer risk.((Janet R. Daling, Kathleen E. Malone, Lynda F. Voigt, Emily White, and Noel S. Weiss, “Risk of Breast Cancer among Young Women: Relationship to Induced Abortions,​” //Journal of the National Cancer Institute// 86 (1994): 1584-1592.+In her first trimester, the mother’s ovarian production of estrogen and progesterone (in response to fetal hCG ((The embryo’s production of hCG (human chorionic gonadotropin) acts as a chemical signal and causes the mother’s ovaries to increase her production of estrogen and progesterone before the embryo is implanted in the mother’s womb. These hormones sustain the pregnancy.))) maintains the pregnancy. Early miscarriage is often a response to hormone levels insufficient to maintain the pregnancy, due to an abnormality that inhibits the embryo from producing sufficient hCG or to the mother’s ovaries’ failure to respond to the hCG. The levels of estrogen and progesterone during an abnormal pregnancy that result in a first-trimester miscarriage are insufficient to stimulate breast development. As the breasts were never stimulated to grow, the mother normally has no change in breast cancer risk.((Janet R. Daling, Kathleen E. Malone, Lynda F. Voigt, Emily White, and Noel S. Weiss, “Risk of Breast Cancer among Young Women: Relationship to Induced Abortions,​” //Journal of the National Cancer Institute// 86(1994): 1584-1592.
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-This entry draws heavily from [[http://​marri.us/​abortion-breast-cancer|Induced Abortion and Breast Cancer]].))+This entry draws heavily from [[http://​marri.us/​research/​research-papers/​induced-abortion-and-breast-cancer/|Induced Abortion and Breast Cancer]].))
  
 =====2. Second-Trimester Miscarriage===== =====2. Second-Trimester Miscarriage=====