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Table 2 Sample Ovid® Medline search strategy

From: The effects of culture on guideline discordant gestational weight gain: a systematic review protocol

1 Pregnancy/
2 Pregnant women/
3 Pregnancy outcomes/ or pregnancy complications/
4 (Pregnant* or gestation*).ti,ab.
5 or/1–4
6 Exp body weight changes
7 (Weight adj2 chang*).ti,ab.
8 (Weight adj2 (gain* or increase*)).ti,ab.
9 (Weight adj2 (loss or lose or losing or decrease*)).ti,ab.
10 ((BMI or body mass index) adj2 (increase* or decrease* or change* or loss*)).ti,ab.
11 or/6–10
12 5 and 11
13 Culture/
14 Acculturation/
15 Cross-cultural comparison/
16 Cultural characteristics/
17 Cultural diversity/
18 Cultural evolution/
19 Exp ethnic groups/
20 Exp continental population groups/
21 (Acculturation* or sociocultural* or socio-culture* or cultural* or ethnic* or ancestry* or ethnoracial*).ti,ab.
22 Or/13–21
23 12 and 22
  1. *different variations/forms of the term