Menstrual and reproductive characteristics and breast density in young women

Joanne F. Dorgan, Catherine Klifa, Snehal Deshmukh, Brian L. Egleston, John A. Shepherd, Peter O. Kwiterovich, Linda Van Horn, Linda G. Snetselaar, Victor J. Stevens, Alan M. Robson, Norman L. Lasser, Nola M. Hylton

Research output: Contribution to journalArticle

Abstract

Purpose: Breast density is strongly related to breast cancer risk, but determinants of breast density in young women remain largely unknown. Methods: Associations of reproductive and menstrual characteristics with breast density measured by magnetic resonance imaging were evaluated in a cross-sectional study of 176 healthy women, 25-29 years old, using linear mixed effects models. Results: Parity was significantly inversely associated with breast density. In multivariable adjusted models that included non-reproductive variables, mean percent dense breast volume (%DBV) decreased from 20.5 % in nulliparous women to 16.0 % in parous women, while mean absolute dense breast volume (ADBV) decreased from 85.3 to 62.5 cm3. Breast density also was significantly inversely associated with the age women started using hormonal contraceptives, whereas it was significantly positively associated with duration of hormonal contraceptive use. In adjusted models, mean %DBV decreased from 21.7 % in women who started using hormones at 12-17 years of age to 14.7 % in those who started using hormones at 22-28 years of age, while mean ADBV decreased from 86.2 to 53.7 cm3. The age at which women started using hormonal contraceptives and duration of hormone use were inversely correlated, and mean %DBV increased from 15.8 % in women who used hormones for not more than 2.0 years to 22.0 % in women who used hormones for more than 8 years, while mean ADBV increased from 61.9 to 90.4 cm3 over this interval. Conclusions: Breast density in young women is inversely associated with parity and the age women started using hormonal contraceptives but positively associated with duration of hormone use.

Original languageEnglish (US)
Pages (from-to)1973-1983
Number of pages11
JournalCancer Causes and Control
Volume24
Issue number11
DOIs
StatePublished - Nov 2013

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Hormones
Contraceptive Agents
Breast
Parity
Breast Density
Cross-Sectional Studies
Magnetic Resonance Imaging
Breast Neoplasms

Keywords

  • Breast density
  • Breast feeding
  • Hormonal contraceptives
  • Menarche
  • Menstrual cycle
  • Parity

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Dorgan, J. F., Klifa, C., Deshmukh, S., Egleston, B. L., Shepherd, J. A., Kwiterovich, P. O., ... Hylton, N. M. (2013). Menstrual and reproductive characteristics and breast density in young women. Cancer Causes and Control, 24(11), 1973-1983. https://doi.org/10.1007/s10552-013-0273-2

Menstrual and reproductive characteristics and breast density in young women. / Dorgan, Joanne F.; Klifa, Catherine; Deshmukh, Snehal; Egleston, Brian L.; Shepherd, John A.; Kwiterovich, Peter O.; Van Horn, Linda; Snetselaar, Linda G.; Stevens, Victor J.; Robson, Alan M.; Lasser, Norman L.; Hylton, Nola M.

In: Cancer Causes and Control, Vol. 24, No. 11, 11.2013, p. 1973-1983.

Research output: Contribution to journalArticle

Dorgan, JF, Klifa, C, Deshmukh, S, Egleston, BL, Shepherd, JA, Kwiterovich, PO, Van Horn, L, Snetselaar, LG, Stevens, VJ, Robson, AM, Lasser, NL & Hylton, NM 2013, 'Menstrual and reproductive characteristics and breast density in young women', Cancer Causes and Control, vol. 24, no. 11, pp. 1973-1983. https://doi.org/10.1007/s10552-013-0273-2
Dorgan JF, Klifa C, Deshmukh S, Egleston BL, Shepherd JA, Kwiterovich PO et al. Menstrual and reproductive characteristics and breast density in young women. Cancer Causes and Control. 2013 Nov;24(11):1973-1983. https://doi.org/10.1007/s10552-013-0273-2
Dorgan, Joanne F. ; Klifa, Catherine ; Deshmukh, Snehal ; Egleston, Brian L. ; Shepherd, John A. ; Kwiterovich, Peter O. ; Van Horn, Linda ; Snetselaar, Linda G. ; Stevens, Victor J. ; Robson, Alan M. ; Lasser, Norman L. ; Hylton, Nola M. / Menstrual and reproductive characteristics and breast density in young women. In: Cancer Causes and Control. 2013 ; Vol. 24, No. 11. pp. 1973-1983.
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abstract = "Purpose: Breast density is strongly related to breast cancer risk, but determinants of breast density in young women remain largely unknown. Methods: Associations of reproductive and menstrual characteristics with breast density measured by magnetic resonance imaging were evaluated in a cross-sectional study of 176 healthy women, 25-29 years old, using linear mixed effects models. Results: Parity was significantly inversely associated with breast density. In multivariable adjusted models that included non-reproductive variables, mean percent dense breast volume ({\%}DBV) decreased from 20.5 {\%} in nulliparous women to 16.0 {\%} in parous women, while mean absolute dense breast volume (ADBV) decreased from 85.3 to 62.5 cm3. Breast density also was significantly inversely associated with the age women started using hormonal contraceptives, whereas it was significantly positively associated with duration of hormonal contraceptive use. In adjusted models, mean {\%}DBV decreased from 21.7 {\%} in women who started using hormones at 12-17 years of age to 14.7 {\%} in those who started using hormones at 22-28 years of age, while mean ADBV decreased from 86.2 to 53.7 cm3. The age at which women started using hormonal contraceptives and duration of hormone use were inversely correlated, and mean {\%}DBV increased from 15.8 {\%} in women who used hormones for not more than 2.0 years to 22.0 {\%} in women who used hormones for more than 8 years, while mean ADBV increased from 61.9 to 90.4 cm3 over this interval. Conclusions: Breast density in young women is inversely associated with parity and the age women started using hormonal contraceptives but positively associated with duration of hormone use.",
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N2 - Purpose: Breast density is strongly related to breast cancer risk, but determinants of breast density in young women remain largely unknown. Methods: Associations of reproductive and menstrual characteristics with breast density measured by magnetic resonance imaging were evaluated in a cross-sectional study of 176 healthy women, 25-29 years old, using linear mixed effects models. Results: Parity was significantly inversely associated with breast density. In multivariable adjusted models that included non-reproductive variables, mean percent dense breast volume (%DBV) decreased from 20.5 % in nulliparous women to 16.0 % in parous women, while mean absolute dense breast volume (ADBV) decreased from 85.3 to 62.5 cm3. Breast density also was significantly inversely associated with the age women started using hormonal contraceptives, whereas it was significantly positively associated with duration of hormonal contraceptive use. In adjusted models, mean %DBV decreased from 21.7 % in women who started using hormones at 12-17 years of age to 14.7 % in those who started using hormones at 22-28 years of age, while mean ADBV decreased from 86.2 to 53.7 cm3. The age at which women started using hormonal contraceptives and duration of hormone use were inversely correlated, and mean %DBV increased from 15.8 % in women who used hormones for not more than 2.0 years to 22.0 % in women who used hormones for more than 8 years, while mean ADBV increased from 61.9 to 90.4 cm3 over this interval. Conclusions: Breast density in young women is inversely associated with parity and the age women started using hormonal contraceptives but positively associated with duration of hormone use.

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