Intended for healthcare professionals

Rapid response to:

Clinical Review ABC of breast diseases

Breast cancer—epidemiology, risk factors, and genetics

BMJ 2000; 321 doi: https://doi.org/10.1136/bmj.321.7261.624 (Published 09 September 2000) Cite this as: BMJ 2000;321:624

Rapid Response:

Another unmentioned risk factor (OR = 1.9)

Dear Sir:

This particular risk factor is seldom mentioned, but has been
published for some time now.

International Journal of Epidemiology, Vol 18, 300-304

Early abortion and breast cancer risk among women under age 40

HL Howe, RT Senie, H Bzduch and P Herzfeld

Division of Epidemiology, New York State Department of Health.

Odds ratios (OR) were significantly elevated among those with an
induced abortion (OR = 1.9) and a spontaneous abortion (OR = 1.5).


http://ije.oupjournals.org/cgi/content/abstract/18/2/300

Competing interests: No competing interests

31 October 2000
Daniel Kellis
biostatistician
New York State Department of Health