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Cited by 560

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Advanced Maternal Age — How Old Is Too Old?

Heffner, Linda J.·2004·New England Journal of Medicine

Abstract

The past decade has seen a remarkable shift in the demographics of childbearing in the United States. The number of first births per 1000 women 35 to 39 years of age increased by 36 percent between 1991 and 2001, and the rate among women 40 to 44 years of age leaped by a remarkable 70 percent. In 2002, 263 births were reported in women between 50 and 54 years of age. Most media attention paid to older moms has been favorable, inspiring a female business-school student to declare on a nationally televised segment of CBS's 60 Minutes (entitled “The Biological . . .

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Metadata

Authors
Heffner, L. J.
Venue
New England Journal of Medicine
Published
2004-11-04
Volume
351
Issue
19
Pages
1927-1929
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2070566521
Cited by
560
References
5
FWCI
10.71
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Advanced Maternal Age — How Old Is Too Old? https://app.cochat.ai/papers/10.1056/nejmp048087
The paper
Heffner, L. J. (2004). Advanced Maternal Age — How Old Is Too Old? New England Journal of Medicine. https://doi.org/10.1056/nejmp048087

Data sources

Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.