Lactation and a Reduced Risk of Premenopausal Breast Cancer

Newcomb, Polly A.; Storer, Barry E.; Longnecker, Matthew P.; Mittendorf, Robert; Greenberg, E. Robert; Clapp, Richard; Burke, Kenneth P.; Willett, Walter C.; MacMahon, Brian

doi:10.1097/00006254-199406000-00009

Cited by 74 publications

(94 citation statements)

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“…Eligibility was limited to case subjects with listed telephone numbers, drivers' licenses verified by self-report (if less than 65 years of age), and known dates of diagnosis. As previously described (Newcomb et al, 1994), data for 6,888 women out of 8,532 eligible case subjects were available for analysis, providing an overall response rate of 80.7%.…”

Section: Methodsmentioning

confidence: 95%

Multiple births and risk of breast cancer

Dietz¹,

Newcomb²,

Storer³

et al. 1995

Intl Journal of Cancer

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Data from a large, multicenter, population-based case-control study were analyzed to investigate the relation between multiple birth pregnancies and subsequent breast-cancer risk in the gravidas. Women less than 75 years old who had breast cancer were identified from statewide tumor registries in Wisconsin, western Massachusetts, Maine and New Hampshire. Controls aged less than 65 years were selected randomly from lists of licensed drivers, and controls aged between 65 and 74 were selected randomly from lists of Medicare beneficiaries. Information on reproductive history and other factors was obtained by means of telephone interviews. After excluding nulliparous women, 5,880 case subjects and 8,217 controls remained for analysis. Multiple birth pregnancies occurred in 146 cases and 218 controls. Adjusted for the number of full-term pregnancies and other confounders, the odds ratio (OR) for any multiple birth pregnancy was 0.94 (95% confidence interval, 0.75 to 1.17). The null association between multiple birth pregnancies and breast cancer remained if the mother's first pregnancy or last pregnancy resulted in a multiple birth. In addition, no trend in risk emerged for age at first multiple birth or time since last multiple birth. While other investigators have suggested biological mechanisms to explain both protective and detrimental effects of multiple births and subsequent development of breast cancer, this study does not support either assertion.

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Section: Methodsmentioning

confidence: 95%

Multiple births and risk of breast cancer

Dietz¹,

Newcomb²,

Storer³

et al. 1995

Intl Journal of Cancer

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“…Breastfeeding and human milk positively contribute to maternal-infant health and bonding, as well as reducing costs attributed to the cost of formula milk and use of health care resources by formula-fed infants (Newcomb et al 1994, Scariati et al 1997, Ball & Wright 1999, Fergusson & Woodward 1999, Oddy et al 1999, Paine et al 1999. The disadvantages of bottle-feeding are heightened by the fact that infants of teenaged mothers are hospitalized in the first year of life more often than those of older mothers (Strobino et al 1992), and especially for infections such as gastroenteritis (Wilson et al 1990).…”

Section: Introductionmentioning

confidence: 99%

Experiences of infant‐feeding decision‐making among urban economically disadvantaged pregnant adolescents

Wambach¹,

Koehn²

2004

Journal of Advanced Nursing

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Consistent with the Theory of Planned Behaviour and other research, attitudes, perceived social influences, and perceived control factors were influential to adolescents when choosing infant feeding methods. The findings suggest that adolescents need education on decision-making, and are being used to fine-tune the interventions of a randomized clinical trial to investigate promoting and supporting breastfeeding among adolescent mothers.

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“…There are findings that link breastfeeding to health in the long term, for example, risk of breast cancer later in life. 1,2 However, results from recent in-vestigations indicate that breastfeeding also may have immediate effects on maternal health in the postpartum period. Therefore, this review will summarize results of several investigations on the effects breastfeeding and bottle-feeding on maternal stress response with an emphasis on the more recent human data.…”

Section: Introductionmentioning

confidence: 99%

Breastfeeding and Maternal Stress Response and Health

Mezzacappa¹

2004

Nut. Rev.

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This article reviews findings on the maternal stress and health effects of lactation. Several significant associations have emerged. Compared with not breastfeeding, breastfeeding is associated with increased parasympathetic nervous system modulation, greater vascular stress response, lower perceived stress levels, and fewer depressive symptoms. Breastfeeding exclusively is associated with an attenuated initial sympathetic cardiac nervous system response to some laboratory stressors. Bottle-feeding is associated with increased sympathetic and decreased parasympathetic cardiac control. The act of breastfeeding is associated with decreased neuroendocrine response to stressors and decreased negative mood. Finally, breastfeeding is associated with enhanced physical and mental health compared with non-breastfeeding.

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Lactation and a Reduced Risk of Premenopausal Breast Cancer

Cited by 74 publications

References 0 publications

Multiple births and risk of breast cancer

Multiple births and risk of breast cancer

Experiences of infant‐feeding decision‐making among urban economically disadvantaged pregnant adolescents

Breastfeeding and Maternal Stress Response and Health

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