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Table 1 Search strategy utilised for MEDLINE 1946 to January 2012

From: Lifestyle interventions for overweight and obese pregnant women to improve pregnancy outcome: systematic review and meta-analysis

Batch Search term (MESH) Combination Result
1 Pregnancy Complications/OR Pregnancy/OR Pregnancy Outcome/OR Pregnancy, High Risk/   646,055
2 Prenatal Care/OR Pregnancy/OR Pregnancy Complications   647,726
3 Antenatal.mp.   18,393
4 Gestation intervention.mp.   4
5   1 OR 2 OR 3 OR 4 651,321
6 Overweight.mp. OR Obesity/OR Overweight/OR Body Weight/   249,097
7 Obesity/OR Obesity, Morbid/or Obesity.mp.   145,882
8 Body Weight/OR Obesity/OR Body Mass Index/or BMI.mp. OR Overweight/   293,584
9   6 OR 7 OR 8 328,089
10   5 AND 9 21,583
11 Diet, Fat-Restricted/OR Diet/OR Diet, Protein-Restricted/OR Diet, Carbohydrate-Restricted/OR Diet.mp. OR Diet, Reducing/OR Diet Therapy/   255,985
12 Life Style/   36,837
13 Health Education/   48,625
14 Patient Education as Topic/   63,238
15 Exercise.mp. OR Exercise/OR Exercise, Therapy/   192,937
16 Health Promotion/   43,967
17 Weight Loss/   19,434
18   11 OR 12 OR 13 OR 14 OR 15 OR 16 OR 17 601,919
19   10 AND 18 3,769
20   LIMIT 19 TO ((female or humans or pregnancy) and (clinical trial, all OR clinical trial, phase i OR clinical trial, phase ii OR clinical trial, phase iii OR clinical trial, phase iv OR clinical trial OR controlled clinical trial OR randomized controlled trial)) 154