What is the risk of having offspring with cleft lip/palate in pre-maternal obese/overweight women when compared to pre-maternal normal weight women? A systematic review and meta-analysis

Omoroghogho Maria Izedonmwen , Claudia Cunningham, Tatiana MacFarlane

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Abstract

Objectives: The purpose of the study was to identify the risk of orofacial cleft in the offspring of women with pre-maternal obesity/overweight when compared with pre-maternal normal weight women.

Material and Methods: MEDLINE and EMBASE were searched from 1980 to July 2014 for cohort, case control and cross sectional studies. BMI were categorized according to WHO recommendation: normal weight (BMI 18.5 - 24.9), overweight (BMI 25 - 29.9) and obese (BMI ≥ 30).

Results: Six studies were identified; three case control studies which were used for the meta-analysis and two cross sectional studies and one cohort study. Compared with women of recommended BMI, obese women were at increased odds of pregnancy affected by CLP (OR = 1.16; 95% CI 1, 1.34) and CP (OR = 1.14; 95% CI 0.95, 1.37). Overweight women were also at increased odds of pregnancy affected by CLP (OR = 1.06; 95% CI 0.93, 1.21) but not CP (OR = 0.89; 95% CI 0.75, 1.06). The results of the risk ratios reported in the cross sectional and cohort studies were similar to the results of the meta-analysis.

Conclusions: The results of this study reveal that there is an increased risk of having offspring with orofacial cleft in obese/overweight women. The reason for this association is not known. Although, the risk is small, it is important because of the increasing incidence of obesity.
Original languageEnglish
Article numbere1
Number of pages22
JournalJournal of Oral & Maxillofacial Research
Volume6
Issue number1
Early online date30 Mar 2015
DOIs
Publication statusPublished - 30 Mar 2015

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Cleft Lip
Cleft Palate
Meta-Analysis
Mothers
Weights and Measures
Cross-Sectional Studies
Cohort Studies
Obesity
Pregnancy
MEDLINE
Case-Control Studies
Odds Ratio
Incidence

Keywords

  • cleft palate
  • nonsyndromic cleft lip/palate
  • orofacial cleft 1

Cite this

@article{4b3d94ee42b341e1ac515d02823e85e6,
title = "What is the risk of having offspring with cleft lip/palate in pre-maternal obese/overweight women when compared to pre-maternal normal weight women?: A systematic review and meta-analysis",
abstract = "Objectives: The purpose of the study was to identify the risk of orofacial cleft in the offspring of women with pre-maternal obesity/overweight when compared with pre-maternal normal weight women.Material and Methods: MEDLINE and EMBASE were searched from 1980 to July 2014 for cohort, case control and cross sectional studies. BMI were categorized according to WHO recommendation: normal weight (BMI 18.5 - 24.9), overweight (BMI 25 - 29.9) and obese (BMI ≥ 30).Results: Six studies were identified; three case control studies which were used for the meta-analysis and two cross sectional studies and one cohort study. Compared with women of recommended BMI, obese women were at increased odds of pregnancy affected by CLP (OR = 1.16; 95{\%} CI 1, 1.34) and CP (OR = 1.14; 95{\%} CI 0.95, 1.37). Overweight women were also at increased odds of pregnancy affected by CLP (OR = 1.06; 95{\%} CI 0.93, 1.21) but not CP (OR = 0.89; 95{\%} CI 0.75, 1.06). The results of the risk ratios reported in the cross sectional and cohort studies were similar to the results of the meta-analysis.Conclusions: The results of this study reveal that there is an increased risk of having offspring with orofacial cleft in obese/overweight women. The reason for this association is not known. Although, the risk is small, it is important because of the increasing incidence of obesity.",
keywords = "cleft palate, nonsyndromic cleft lip/palate , orofacial cleft 1",
author = "Izedonmwen, {Omoroghogho Maria} and Claudia Cunningham and Tatiana MacFarlane",
note = "ACKNOWLEDGMENTS AND DISCLOSURE STATEMENTS The authors declare no conflict of interest. This manuscript is based on the thesis presented for the degree of Masters in Science, Global Health and Management, Division of Applied Health Sciences, University of Aberdeen.",
year = "2015",
month = "3",
day = "30",
doi = "10.5037/jomr.2015.6101",
language = "English",
volume = "6",
journal = "Journal of Oral & Maxillofacial Research",
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T1 - What is the risk of having offspring with cleft lip/palate in pre-maternal obese/overweight women when compared to pre-maternal normal weight women?

T2 - A systematic review and meta-analysis

AU - Izedonmwen , Omoroghogho Maria

AU - Cunningham, Claudia

AU - MacFarlane, Tatiana

N1 - ACKNOWLEDGMENTS AND DISCLOSURE STATEMENTS The authors declare no conflict of interest. This manuscript is based on the thesis presented for the degree of Masters in Science, Global Health and Management, Division of Applied Health Sciences, University of Aberdeen.

PY - 2015/3/30

Y1 - 2015/3/30

N2 - Objectives: The purpose of the study was to identify the risk of orofacial cleft in the offspring of women with pre-maternal obesity/overweight when compared with pre-maternal normal weight women.Material and Methods: MEDLINE and EMBASE were searched from 1980 to July 2014 for cohort, case control and cross sectional studies. BMI were categorized according to WHO recommendation: normal weight (BMI 18.5 - 24.9), overweight (BMI 25 - 29.9) and obese (BMI ≥ 30).Results: Six studies were identified; three case control studies which were used for the meta-analysis and two cross sectional studies and one cohort study. Compared with women of recommended BMI, obese women were at increased odds of pregnancy affected by CLP (OR = 1.16; 95% CI 1, 1.34) and CP (OR = 1.14; 95% CI 0.95, 1.37). Overweight women were also at increased odds of pregnancy affected by CLP (OR = 1.06; 95% CI 0.93, 1.21) but not CP (OR = 0.89; 95% CI 0.75, 1.06). The results of the risk ratios reported in the cross sectional and cohort studies were similar to the results of the meta-analysis.Conclusions: The results of this study reveal that there is an increased risk of having offspring with orofacial cleft in obese/overweight women. The reason for this association is not known. Although, the risk is small, it is important because of the increasing incidence of obesity.

AB - Objectives: The purpose of the study was to identify the risk of orofacial cleft in the offspring of women with pre-maternal obesity/overweight when compared with pre-maternal normal weight women.Material and Methods: MEDLINE and EMBASE were searched from 1980 to July 2014 for cohort, case control and cross sectional studies. BMI were categorized according to WHO recommendation: normal weight (BMI 18.5 - 24.9), overweight (BMI 25 - 29.9) and obese (BMI ≥ 30).Results: Six studies were identified; three case control studies which were used for the meta-analysis and two cross sectional studies and one cohort study. Compared with women of recommended BMI, obese women were at increased odds of pregnancy affected by CLP (OR = 1.16; 95% CI 1, 1.34) and CP (OR = 1.14; 95% CI 0.95, 1.37). Overweight women were also at increased odds of pregnancy affected by CLP (OR = 1.06; 95% CI 0.93, 1.21) but not CP (OR = 0.89; 95% CI 0.75, 1.06). The results of the risk ratios reported in the cross sectional and cohort studies were similar to the results of the meta-analysis.Conclusions: The results of this study reveal that there is an increased risk of having offspring with orofacial cleft in obese/overweight women. The reason for this association is not known. Although, the risk is small, it is important because of the increasing incidence of obesity.

KW - cleft palate

KW - nonsyndromic cleft lip/palate

KW - orofacial cleft 1

U2 - 10.5037/jomr.2015.6101

DO - 10.5037/jomr.2015.6101

M3 - Article

VL - 6

JO - Journal of Oral & Maxillofacial Research

JF - Journal of Oral & Maxillofacial Research

SN - 2029-283X

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M1 - e1

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