Figure 1. Analytic framework and key questions

[D] Select for Text Description.

Critical key questions:

1. Does screening for bacterial vaginosis during pregnancy in asymptomatic pregnant women reduce adverse pregnancy outcomes for those at:
   1. Low risk for preterm delivery?
   2. Average risk for preterm delivery?
   3. High risk for preterm delivery?
2. Does treatment of bacterial vaginosis during pregnancy in asymptomatic pregnant women reduce adverse pregnancy outcomes for those at:
   1. Low risk for preterm delivery?
   2. Average risk for preterm delivery?
   3. High risk for preterm delivery?
3. What adverse effects does the screening and/or treatment of bacterial vaginosis have on pregnancy outcomes?

Note: KQ = key question.

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