Evidence map›Paper›PMID 28637778›Full record

Observational studyJournal of the American Heart Association2017

Breastfeeding and the Risk of Maternal Cardiovascular Disease: A Prospective Study of 300 000 Chinese Women.

Sanne A E Peters, Ling Yang, Yu Guo, Yiping Chen, Zheng Bian, Jianwei Du, Jie Yang, Shanpeng Li, Liming Li, Mark Woodward and 1 more

Open access · goldAbstract readMulticenter StudyObservational Study
In one paragraph

Observational study in Journal of the American Heart Association, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed, 3 pooled it
9.5field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 3 syntheses or guidelines pooled it, 118 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Sustained Reduction of Subclinical Inflammation in the Years After Breastfeeding.The Journal of clinical endocrinology and metabolism · 2025
    Article
  10. Breastfeeding and Maternal and Child Cardiometabolic Outcomes 10-14 Years after Delivery.Breastfeeding medicine : the official journal of the Academy of Breastfeeding Medicine · 2025
    Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Obesity and cardiovascular health.European journal of preventive cardiology · 2024
    Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Work as an Understudied Driver of Racial Inequities in Breastfeeding.New solutions : a journal of environmental and occupational health policy : NS · 2022
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 20 institutions in 12 countries.

Sanne A E PetersGeorge Institute for Global Health, University of Oxford, United Kingdom.
Ling YangMedical Research Council Population Health Research Unit, University of Oxford, United Kingdom.
Yu GuoChinese Academy of Medical Sciences, Dong Cheng District, Beijing, China.
Yiping ChenMedical Research Council Population Health Research Unit, University of Oxford, United Kingdom.
Zheng BianChinese Academy of Medical Sciences, Dong Cheng District, Beijing, China.
Jianwei DuHainan CDC, Haikou, Hainan, China.
Jie YangJiangsu CDC NCDs Prevention and Control Department, Nanjing, Jiangsu, China.
Shanpeng LiQingdao CDC, Qingdao, China.
Liming LiChinese Academy of Medical Sciences, Dong Cheng District, Beijing, China.
Mark WoodwardGeorge Institute for Global Health, University of Oxford, United Kingdom zhengming.chen@ctsu.ox.ac.uk mark.woodward@georgeinstitute.ox.ac.uk.
Zhengming ChenMedical Research Council Population Health Research Unit, University of Oxford, United Kingdom zhengming.chen@ctsu.ox.ac.uk mark.woodward@georgeinstitute.ox.ac.uk.
Xiaomi (China) · CNKangmei Pharmaceutical (China) · CNChinese Academy of Medical Sciences & Peking Union Medical College · CNMedical Research Council · GBShanghai Liangyou (China) · CNTen Chen Hospital · TWUniversity of Oxford · GBFeminist Archive North · GBHuangshan University · CNJiangsu Provincial Center for Disease Control and Prevention · CNState Administration of Foreign Experts Affairs · CNUnited States Government Accountability Office · USYanbian University · CNYuncheng University · CNChina Huarong Energy (China) · CNClarke University · USCollins College · USGeneral Electric (Norway) · NOHainan Center for Disease Control & Prevention · CNHanalei Watershed Hui · US

Funding

Medical Research Council MC_U137686851Medical Research Council MC_UU_12026/2Wellcome Trust
6 · The paper itself

Abstract

backgroundBreastfeeding confers substantial benefits to child health and has also been associated with lower risk of maternal cardiovascular diseases (CVDs) in later life. However, the evidence on the effects of CVD is still inconsistent, especially in East Asians, in whom the frequency and duration of breastfeeding significantly differ from those in the West. METHODS AND

resultsIn 2004-2008, the nationwide China Kadoorie Biobank recruited 0.5 million individuals aged 30 to 79 years from 10 diverse regions across China. During 8 years of follow-up, 16 671 incident cases of coronary heart disease and 23 983 cases of stroke were recorded among 289 573 women without prior CVD at baseline. Cox regression yielded adjusted hazard ratios (HRs) and 95% CIs for incident CVD by breastfeeding. Overall, ≈99% of women had given birth, among whom 97% reported a history of breastfeeding, with a median duration of 12 months per child. Compared with parous women who had never breastfed, ever breastfeeding was associated with a significantly lower risk of CVD, with adjusted HRs of 0.91 (95% CI, 0.84-0.99) for coronary heart disease and 0.92 (95% CI, 0.85-0.99) for stroke. Women who had breastfed for ≥24 months had an 18% (HR, 0.82; 0.77-0.87) lower risk of coronary heart disease and a 17% (HR, 0.83; 0.79-0.87) lower risk of stroke compared with women who had never breastfed. Among women who ever breastfed, each additional 6 months of breastfeeding per child was associated with an adjusted HR of 0.96 (95% CI, 0.94-0.98) for coronary heart disease and 0.97 (95% CI, 0.96-0.98) for stroke.

conclusionsAmong Chinese women, a history of breastfeeding was associated with an ≈10% lower risk of CVD in later life and the magnitude of the inverse association was stronger among those with a longer duration of breastfeeding.

Indexed as

Breast FeedingAdultAgedAge FactorsCardiovascular DiseasesChinaFemaleHumansIncidenceMiddle AgedPrognosisProportional Hazards ModelsProspective StudiesProtective FactorsRisk AssessmentRisk Factorsbreastfeedingcardiovascular diseaseChinaepidemiologyrisk factorwomen

Identifiers

PMID28637778
PMCPMC5669201
OpenAlexW2695710583

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.