{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T11:20:03Z","timestamp":1770895203161,"version":"3.50.1"},"reference-count":27,"publisher":"Oxford University Press (OUP)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2000,2,2]]},"DOI":"10.1093\/jnci\/92.3.261","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T22:25:57Z","timestamp":1027722357000},"page":"261-265","source":"Crossref","is-referenced-by-count":40,"title":["Twinship and Risk of Postmenopausal Breast Cancer"],"prefix":"10.1093","volume":"92","author":[{"given":"James R.","family":"Cerhan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lawrence H.","family":"Kushi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Janet E.","family":"Olson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephen S.","family":"Rich","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aaron R.","family":"Folsom","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas A.","family":"Sellers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","reference":[{"key":"key\n\t\t\t\t20170203175532_R1","doi-asserted-by":"crossref","unstructured":"Trichopoulos D. Hypothesis: does breast cancer originate in utero? Lancet 1990;335:939-40.","DOI":"10.1016\/0140-6736(90)91000-Z"},{"key":"key\n\t\t\t\t20170203175532_R2","doi-asserted-by":"crossref","unstructured":"Duff GB, Brown JB. Urinary oestriol excretion in twin pregnancies. J Obstet Gynaecol Br Commonw 1974;81:695-700.","DOI":"10.1111\/j.1471-0528.1974.tb00543.x"},{"key":"key\n\t\t\t\t20170203175532_R3","unstructured":"TambyRaja RL, Ratnam SS. Plasma steroid changes in twin pregnancies. Prog Clin Biol Res 1981;69A:189-95."},{"key":"key\n\t\t\t\t20170203175532_R4","doi-asserted-by":"crossref","unstructured":"Kappel B, Hansen K, Moller J, Faaborg-Andersen J. Human placental lactogen and dU-estrogen levels in normal twin pregnancies. Acta Genet Med Gemellol (Roma) 1985;34:59-6.","DOI":"10.1017\/S000156600000492X"},{"key":"key\n\t\t\t\t20170203175532_R5","doi-asserted-by":"crossref","unstructured":"Wald N, Cuckle H, Wu T, George L. Maternal serum unconjugated oestriol and human chorionic gonadotrophin levels in twin pregnancies: implications for screening for Down's syndrome. Br J Obstet Gynaecol 1991;98:905-8.","DOI":"10.1111\/j.1471-0528.1991.tb13513.x"},{"key":"key\n\t\t\t\t20170203175532_R6","doi-asserted-by":"crossref","unstructured":"Hsieh CC, Lan SJ, Ekbom A, Petridou E, Adami HO, Trichopoulos D. Twin membership and breast cancer risk. Am J Epidemiol 1992;136:1321-6.","DOI":"10.1093\/oxfordjournals.aje.a116444"},{"key":"key\n\t\t\t\t20170203175532_R7","doi-asserted-by":"crossref","unstructured":"Braun MM, Ahlbom A, Floderus B, Brinton LA, Hoover RN. Effect of twinship on incidence of cancer of the testis, breast, and other sites (Sweden). Cancer Causes Control 1995;6:519-24.","DOI":"10.1007\/BF00054160"},{"key":"key\n\t\t\t\t20170203175532_R8","doi-asserted-by":"crossref","unstructured":"Ekbom A, Hsieh CC, Lipworth L, Adami HO, Trichopoulos D. Intrauterine environment and breast cancer risk in women: a population-based study. J Natl Cancer Inst 1997;89:71-6.","DOI":"10.1093\/jnci\/89.1.71"},{"key":"key\n\t\t\t\t20170203175532_R9","doi-asserted-by":"crossref","unstructured":"Sanderson M, Williams MA, Malone KE, Stanford JL, Emanuel I, White E, et al. Perinatal factors and risk of breast cancer. Epidemiology 1996;7:34-7.","DOI":"10.1097\/00001648-199601000-00007"},{"key":"key\n\t\t\t\t20170203175532_R10","unstructured":"Burn J, Corney G. Zygosity determination and the types of twinning. In: MacGillivray I, Campbell D, Thompson B, editors. Twinning and twins. New York (NY): John Wiley & Sons; 1988. p. 7-25."},{"key":"key\n\t\t\t\t20170203175532_R11","doi-asserted-by":"crossref","unstructured":"Martin NG, El Beaini JL, Olsen ME, Bhatnagar AS, Macourt D. Gonadotropin levels in mothers who have had two sets of DZ twins. Acta Genet Med Gemellol (Roma) 1984;33:131-9.","DOI":"10.1017\/S0001566000007613"},{"key":"key\n\t\t\t\t20170203175532_R12","doi-asserted-by":"crossref","unstructured":"Nylander P. The factors that influence twinning rates. Acta Genet Med Gemellol (Roma) 1981;30:189-202.","DOI":"10.1017\/S0001566000007650"},{"key":"key\n\t\t\t\t20170203175532_R13","unstructured":"Campbell DM. Aetiology of twinning. In: MacGillivray I, Campbell D, Thompson B, editors. Twinning and twins. New York (NY): John Wiley & Sons; 1988. p. 27-36."},{"key":"key\n\t\t\t\t20170203175532_R14","doi-asserted-by":"crossref","unstructured":"Fischer-Rasmussen W. Maternal plasma oestrogen levels in relation to birth weight and sex. Acta Obstet Gynecol Scand Suppl 1974;29:47-51.","DOI":"10.3109\/00016347409157190"},{"key":"key\n\t\t\t\t20170203175532_R15","doi-asserted-by":"crossref","unstructured":"Forest MG, de Peretti E, Lecoq A, Cadillon E, Zabot MT, Thoulon JM. Concentration of 14 steroid hormones in human amniotic fluid of midpregnancy. J Clin Endocrinol Metab 1980;51:816-22.","DOI":"10.1210\/jcem-51-4-816"},{"key":"key\n\t\t\t\t20170203175532_R16","doi-asserted-by":"crossref","unstructured":"Steier JA, Myking OL, Ulstein M. Human chorionic gonadotropin in cord blood and peripheral maternal blood in singleton and twin pregnancies at delivery. Acta Obstet Gynecol Scand 1989;68:689-92.","DOI":"10.3109\/00016348909006140"},{"key":"key\n\t\t\t\t20170203175532_R17","doi-asserted-by":"crossref","unstructured":"Folsom AR, Kaye SA, Prineas RJ, Potter JD, Gapstur SM, Wallace RB. Increased incidence of carcinoma of the breast associated with abdominal adiposity in postmenopausal women. Am J Epidemiol 1990;131:794-803.","DOI":"10.1093\/oxfordjournals.aje.a115570"},{"key":"key\n\t\t\t\t20170203175532_R18","doi-asserted-by":"crossref","unstructured":"Sellers TA, Kushi LH, Potter JD, Kaye SA, Nelson CL, McGovern PG, et al. Effect of family history, body fat distribution and reproductive factors on the risk of postmenopausal breast cancer. N Engl J Med 1992;326:1323-9.","DOI":"10.1056\/NEJM199205143262004"},{"key":"key\n\t\t\t\t20170203175532_R19","doi-asserted-by":"crossref","unstructured":"Kushi LH, Kaye SA, Folsom AR, Soler JT, Prineas RJ. Accuracy and reliability of self-measurement of body girths. Am J Epidemiol 1988;128:740-8.","DOI":"10.1093\/oxfordjournals.aje.a115027"},{"key":"key\n\t\t\t\t20170203175532_R20","unstructured":"Ries LA, Kosary CL, Hankey BF, Miller BA, Harras A, Edwards BK, editors. SEER cancer statistics review, 1973-1994: tables and graphs. Bethesda (MD): National Institutes of Health, National Cancer Institute; 1997 Report No.: DHHS Publ No. (NIH)97-2789."},{"key":"key\n\t\t\t\t20170203175532_R21","doi-asserted-by":"crossref","unstructured":"Cox DR. Regression models and life tables (with discussion). J R Stat Soc B 1972;34:187-220.","DOI":"10.1111\/j.2517-6161.1972.tb00899.x"},{"key":"key\n\t\t\t\t20170203175532_R22","doi-asserted-by":"crossref","unstructured":"Sellers TA, Potter JD, Rich SS, Drinkard CR, Bostick RM, Kushi LH, et al. Familial clustering of breast and prostate cancers and risk of postmenopausal breast cancer. J Natl Cancer Inst 1994;86:1860-5.","DOI":"10.1093\/jnci\/86.24.1860"},{"key":"key\n\t\t\t\t20170203175532_R23","unstructured":"Little J, Thompson B. Descriptive epidemiology. In: MacGillivray I, Campbell D, Thompson B, editors. Twinning and twins. New York (NY): John Wiley & Sons; 1988. p. 37-66."},{"key":"key\n\t\t\t\t20170203175532_R24","unstructured":"Holm NV, Hauge M, Jensen OM. Studies of cancer aetiology in a complete twin population: breast cancer, colorectal cancer and leukaemia. Cancer Surv 1982;1:18-32."},{"key":"key\n\t\t\t\t20170203175532_R25","unstructured":"Kaprio J, Teppo L, Koskenvuo M, Pukkala E. Cancer in adult same-sexed twins: a historical cohort study. Prog Clin Biol Res 1981;69:217-23."},{"key":"key\n\t\t\t\t20170203175532_R26","doi-asserted-by":"crossref","unstructured":"Doherty JD. Height of women, twinning and breast cancer: epidemiological evidence of a relationship. Acta Genet Med Gemellol (Roma) 1988;37:263-75.","DOI":"10.1017\/S000156600000386X"},{"key":"key\n\t\t\t\t20170203175532_R27","unstructured":"MacGillivray I, Samphier M, Little J. Factors affecting twinning. In: MacGillivray I, Campbell D, Thompson B, editors. Twinning and twins. New York (NY): John Wiley & Sons; 1988. p. 67-92."}],"container-title":["JNCI: Journal of the National Cancer Institute"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/jnci\/article-pdf\/92\/3\/261\/9996406\/261.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,12,8]],"date-time":"2024-12-08T10:59:12Z","timestamp":1733655552000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/jnci\/jnci\/article\/2965052\/Twinship"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2000,2,2]]},"references-count":27,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2000,2,2]]}},"URL":"https:\/\/doi.org\/10.1093\/jnci\/92.3.261","relation":{},"ISSN":["0027-8874","1460-2105"],"issn-type":[{"value":"0027-8874","type":"print"},{"value":"1460-2105","type":"electronic"}],"subject":[],"published":{"date-parts":[[2000,2,2]]}}}