PubMed · 11002444
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B Borman. 2000. When screening is not enough.. https://doi.org/10.1136/jms.7.2.57
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Studies of the association between induced abortion and breast cancer risk have been inconsistent, perhaps due to underreporting of abortions. Induced abortion is a well-accepted family planning procedure in China, and women who have several induced abortions do not feel stigmatized. The authors used data from a population-based case-control study of breast cancer among women age 25-64 conducted between 1996 and 1998 in urban Shanghai to assess whether a history of and the number of induced abortions were related to breast cancer risk. In-person interviews were completed with 1,459 incident breast cancer cases ascertained through a population-based cancer registry, and 1,556 controls randomly selected from the general population in Shanghai (with respective response rates of 91% and 90%). After adjusting for confounding, there was no relation between ever having had an induced abortion and breast cancer (odds ratio [OR] = 0.9, 95% confidence interval [CI] 0.7-1.2). Women who had 3 or more induced abortions were not at increased risk of premenopausal breast cancer (OR = 0.9, 95% CI 0.6-1.4) or postmenopausal breast cancer (OR = 1.3, 95% CI 0.8-2.3). These results suggest that a history of several induced abortions has little influence on breast cancer risk in Chinese women.
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INTRODUCTION: Due to a rather high complication rate, we decided to analyze data from women, who were readmitted to hospital with complications to legal abortion. MATERIAL: 760 legal abortions performed in 1993-1994 were retrospectively reviewed for complications. RESULTS: We found 66 complications (8.7% (95% confidence limits (6.7-10.7)), that resulted in readmission to hospital. The distribution of complications was as follows: retention 41 (62% (50-74)), infection 12 (18% (9-27)), bleeding and pain 11 (17% (8-26)) and perforation two (3% (0-7)). There was a slight correlation between a stronger midline echo on ultrasound measurement of the uterine cavity and finding placental tissue on histological examination of the material obtained from reevacuation. The time interval between legal abortion and reevacuation was nine days. Retroflexio uteri was not correlated with reevacuation. CONCLUSIONS: We found a statistically increased risk of complications following legal abortion relative to the figures reported by the national health authority, but not significantly higher than that found in other reports. Moreover, a conservative attitude to retention can reduce the number of reevacuatio uteri after legal abortion.