Document Detail

Trends in the occurrence, determinants, and consequences of multiple births.
MedLine Citation:
PMID:  12211614     Owner:  NLM     Status:  MEDLINE    
After a substantial decrease in the middle of the 20th century, multiple pregnancy rates have increased in many Western countries. Between the mid-1970s and 1998, the rate of twin pregnancies increased by 50% to 60% in England and Wales, France, and the United States. The rates of triplet or higher-order multiple pregnancies increased by 310% in France, 430% in England and Wales, and 696% in the United States. One fourth to one third of the increase in twin or triplet pregnancies are attributable to a contemporaneous increase in maternal age. Furthermore, in countries with high occurrence of multiple births, 30% to 50% of twin pregnancies and at least 75% of triplet pregnancies occur after infertility treatment. The impact of the increase in multiple births on preterm delivery rates in the overall population is mainly attributable to twin pregnancies. In Canada, France, and the United States, an increase in preterm births among multiples contributed almost as much as the increase in occurrence of multiple births to the increase or stabilization of the overall rates of preterm delivery observed in these countries.
Béatrice Blondel; Monique Kaminski
Related Documents :
25133564 - The rationale for use of ulipristal acetate as first line in emergency contraception: b...
9043924 - Preterm delivery and growth restriction in multifetal pregnancies reduced to twins.
12184884 - Loss in higher multiple pregnancy and multifetal pregnancy reduction.
16698624 - Obstetric complications and perinatal outcome in triplet pregnancies.
18375024 - Weight retention from early pregnancy to three years postpartum: a study in iranian women.
8532244 - Perinatal diagnostic evaluation of velamentous umbilical cord insertion: clinical, dopp...
Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Seminars in perinatology     Volume:  26     ISSN:  0146-0005     ISO Abbreviation:  Semin. Perinatol.     Publication Date:  2002 Aug 
Date Detail:
Created Date:  2002-09-04     Completed Date:  2003-02-04     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  7801132     Medline TA:  Semin Perinatol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  239-49     Citation Subset:  IM    
Epidemiological Research Unit on Perinatal and Women's Health, Institut National de la Santé et de la Recherche Médicale (INSERM), Villejuif, France.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Canada / epidemiology
France / epidemiology
Great Britain / epidemiology
Infant, Low Birth Weight / physiology
Infant, Newborn
Infant, Premature / physiology
Maternal Age
Obstetric Labor, Premature
Pregnancy Outcome / epidemiology
Pregnancy, Multiple / physiology,  statistics & numerical data*
Reproductive Techniques, Assisted / adverse effects,  trends
Triplets / statistics & numerical data*
Twins / statistics & numerical data*
United States / epidemiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  The phylogeography of Asian Schistosoma (Trematoda: Schistosomatidae).
Next Document:  Obstetric intervention, stillbirth, and preterm birth.