Parulekar 2001.

Methods	RCT. Individual women. 2‐arm study.
Participants	Inclusion Women undergoing CS. N = 200. Exclusion Hypersensitivity to drugs being used; any antibiotic treatment 2 weeks prior to surgery; chorioamnionitis.
Interventions	Intervention: cephalosporin (B3). Cefotoxime. 1 g IV. N = 100. Comparison: penicillin (A2) + aminoglycoside (G) combination. Cloxacillin (1 g, 8‐hourly for 48 hours) followed by oral cloxacillin (500 mg, 8‐hourly for 72 hours. Also gentamycin (80 mg IV/IM 12‐hourly for 5 days). N = 100.
Outcomes	Postpartum infection; wound infection; fever; duration in hospital.
Notes	Setting: Naval Hospital INHS Asvini Colaba, Mumbai, India. Subgroups Type of CS not defined. After cord clamping. IV administration. Single dose vs multiple long‐term post‐operative antibiotics. Comparison 1 (subgroup 2); 2; 3; 4; 14. No information about funding source of study.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	"...randomly assigned...".
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	Low risk	No loss to follow‐up was reported.
Selective reporting (reporting bias)	Unclear risk	Study protocol unavailable.
Other bias	Unclear risk	Insufficient information to assess other possible biases. No information about funding source of study.