Analysis 1.1.

Comparison 1 Comparison 01 FFN knowledge versus no knowledge, Outcome 01 Preterm birth < 37 week, Outcome 1 Outcome 01 Preterm birth < 37 weeks.

Comparison 1 Comparison 01 FFN knowledge versus no knowledge, Outcome 01 Preterm birth < 37 week, Outcome 1 Outcome 01 Preterm birth < 37 weeks.