De‐Lalla 1988.

Methods	RCT. Individual women. 2‐arm study.
Participants	Inclusion criteria Women undergoing CS. N = 300. Exclusion criteria Not documented.
Interventions	Intervention: cephalosporin (B2). Cefotetan. 2 g; IV; when the cord is clamped. N = 106. Comparison: penicillin (A3). Mezlocillin. 2 g; IV; when the cord is clamped. N = 194.
Outcomes	Fever > 38 ºC; endometritis; wound infection; UTIs; asymptomatic bacteriuria.
Notes	Setting: Obstetric and Gynecologic department of UCSC, Como, Italy. Subgroups Type of CS not defined. After cord clamping. IV administration. Single dose. No information about funding source of study. Conference abstract only. The study did not provide any data on the outcomes in the review.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	No information provided.
Allocation concealment (selection bias)	Unclear risk	No information provided.
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	No information provided.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No information provided.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No information provided.
Selective reporting (reporting bias)	Unclear risk	We did not assess the trial protocol.
Other bias	Unclear risk	No information provided. Also no information about funding source of study.