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Delayed Childbearing and the Outcome of Pregnancy

The New England journal of medicine, 1990-03, Vol.322 (10), p.659-664 [Peer Reviewed Journal]

1993 INIST-CNRS ;Copyright Massachusetts Medical Society Mar 8, 1990 ;Copyright Massachusetts Medical Society, Publishing Division Mar 8, 1990 ;ISSN: 0028-4793 ;EISSN: 1533-4406 ;DOI: 10.1056/NEJM199003083221004 ;PMID: 2304491 ;CODEN: NEJMAG

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Title:
Delayed Childbearing and the Outcome of Pregnancy
Author: Berkowitz, Richard L ; Berkowitz, Gertrud S ; Skovron, Mary Louise ; Lapinski, Robert H
Subjects: Adult ; Apgar Score ; Biological and medical sciences ; Birth weight ; Births ; Demographic aspects ; Female ; Fetus ; Gestational age ; Gynecology. Andrology. Obstetrics ; Health aspects ; Health risk assessment ; Humans ; Infant Mortality ; Infant, Newborn ; Infant, Small for Gestational Age ; Infants ; Infertility ; Low birth weight ; Maternal Age ; Medical sciences ; Neonates ; New York City - epidemiology ; Obstetric Labor Complications - epidemiology ; Obstetric Labor, Premature - epidemiology ; Parity ; Population ; Pregnancy ; Pregnancy complications ; Pregnancy Complications - epidemiology ; Pregnancy Outcome ; Pregnancy, Complications of ; Pregnancy, High-Risk ; Risk Factors ; Small for gestational age ; Studies ; Womens health
Is Part Of: The New England journal of medicine, 1990-03, Vol.322 (10), p.659-664
Description: Whether women who delay childbearing are at increased risk for adverse outcomes of pregnancy is of concern because of the growing proportion of first births to older women. We assessed the effect of advancing maternal age on the outcome of pregnancy in first births in a hospital-based cohort study of 3917 private patients who were 20 years of age or older with a singleton gestation. There was a slight elevation in the risk of having a low-birth-weight infant among women who were 35 years of age or older (adjusted odds ratio, 1.3; 95 percent confidence interval, 0.9 to 1.9) as compared with the risk among women 20 to 29 years of age. However, there was no evidence that women between 30 and 34 or those 35 and older had an increased risk of having a preterm delivery or of having an infant who was small for gestational age, had a low Apgar score, or died in the perinatal period. in contrast, even after controlling for sociodemographic and medical risk factors, we found that women who were 35 or older were significantly more likely to have specific antepartum and intrapartum complications and those who were 30 or older were significantly more likely to have both cesarean sections and infants who were admitted to the newborn intensive care unit. This study suggests that although older primiparous women have higher rates of complications of pregnancy and delivery, their risk of a poor neonatal outcome is not appreciably increased. (N Engl J Med 1990; 322: 659–64.) THE question of whether women who delay childbearing are at an increased risk of having an adverse outcome of pregnancy is of importance because of the growing proportion of first births to older women. Between 1970 and 1986 the rate of first births in the United States more than doubled among women 30 to 39 years of age, and it increased by 50 percent for women 40 to 44. 1 A recent survey of expectations of fertility among American women indicates that these trends are likely to continue. 2 The pursuit of educational and career goals, later marriages, and improved contraceptive techniques . . .
Publisher: Boston, MA: Massachusetts Medical Society
Language: English
Identifier: ISSN: 0028-4793
EISSN: 1533-4406
DOI: 10.1056/NEJM199003083221004
PMID: 2304491
CODEN: NEJMAG
Source: ProQuest One Psychology
AUTh Library subscriptions: ProQuest Central
MEDLINE
Alma/SFX Local Collection

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Delayed Childbearing and the Outcome of Pregnancy

1993 INIST-CNRS ;Copyright Massachusetts Medical Society Mar 8, 1990 ;Copyright Massachusetts Medical Society, Publishing Division Mar 8, 1990 ;ISSN: 0028-4793 ;EISSN: 1533-4406 ;DOI: 10.1056/NEJM199003083221004 ;PMID: 2304491 ;CODEN: NEJMAG

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