Methods	Randomly allocated (abstract only; no further details).
Participants	Women undergoing high-risk CS (definition not provided; classified as not-defined).
	Setting: Texas, USA.
Interventions	Cefazolin 2 g in 1000 ml irrigation (N = 20) vs normal saline 1000 ml irrigation (N = 20)
Outcomes	Wound infection, endometritis, UTI.
Notes	Follow up 4-6 weeks post-operatively.
	Abstract only available.
	Class of antibiotic: first generation cephalosporin.
	Subgroups:
	type of CS not defined; after cord clamping.
Risk of bias
Item	Authors’ judgement	Description
Adequate sequence generation?	Unclear	‘…randomly allocated…’
Allocation concealment?	Unclear	No information provided.
Blinding?	Unclear	Normal saline irrigation used in control group; no additional details provided
All outcomes
Incomplete outcome data addressed?	Unclear	No information provided.
All outcomes
Free of selective reporting?	Unclear	No information provided.
Free of other bias?	Unclear	No information provided.
Overall low risk of bias?	Unclear	Abstract only, not enough information provided.