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Adolescent smoking in pregnancy and birth outcomes

Delpisheh, Ali, Attia, E, Drammond, S and Brabin, Bernard (2006) 'Adolescent smoking in pregnancy and birth outcomes'. European Journal of Public Health, Vol 16, Issue 2, pp. 168-172.

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Abstract

Introduction: Cigarette smoking amongst pregnant adolescents is a preventable risk factor associated with low birthweight (< 2500 g), preterm birth (< 37 weeks) and infant mortality. The aim of this study was to compare birth outcomes of adolescents who smoke during pregnancy with those who do not and to construct their birthweight-for-gestational-age curves. Methods: A retrospective cohort analysis of 534 adolescents (<= 19 years) and 8972 adults who delivered singleton births between 1998-2003 at the Liverpool Women's Hospital. Results: Adolescent pregnancy occurred in 5.6% of deliveries. Mean age of adolescents was 18.1 years (SD = 1.0) and 46.2% smoked during pregnancy including 83.5% light smokers (< 10 cigarettes daily). Babies born to adolescent smokers were significantly lighter by -170 g (P = 0.005). The prevalence of low birthweight was almost double in adolescents who smoked (12.1% versus 6.8%, RR = 1.7; CI = 1.0- 3.0), and their mean Apgar scores at 5 min were lower (< 0.05). A higher prevalence of preterm birth (P < 0.05) and maternal anaemia (P < 0.01) occurred amongst adolescent smokers. Adolescents smoking > 10 cigarettes daily had babies with larger birthweight reduction (P 0.001). Conclusion: Almost half of all adolescents smoked during their pregnancy. Birthweight- for- gestationalage curves of smoking adolescents showed a marked fall- off in weight from 36 weeks of gestation, and at least 10% of adolescent smokers showed fetal growth restriction from before 32 weeks of gestation.

Item Type: Article
Uncontrolled Keywords: adolescent birth outcome pregnancy smoking serum cotinine fetal-growth weight women consumption teenagers exposure tobacco curves
Subjects: WQ Obstetrics > WQ 100 General works
WQ Obstetrics > WQ 20 Research (General)
WQ Obstetrics > Pregnancy > WQ 200 General works
WQ Obstetrics > Pregnancy Complications > WQ 240 Pregnancy complications (General)
WS Pediatrics > WS 100 General works
WS Pediatrics > WS 20 Research (General)
Faculty: Department: Groups (2002 - 2012) > Child & Reproductive Health Group
Digital Object Identifer (DOI): https://doi.org/10.1093/eurpub/cki219
Depositing User: Sarah Lewis-Newton
Date Deposited: 23 Feb 2011 10:01
Last Modified: 06 Feb 2018 13:01
URI: http://archive.lstmed.ac.uk/id/eprint/1470

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