No increase in rates of early-onset neonatal sepsis by non-group B Streptococcus or ampicillin-resistant organisms.
D017668:Age of Onset; D000667:Ampicillin / Q000008:administration & dosage*; D000668:Ampicillin Resistance; D016470:Bacteremia / Q000453:epidemiology* / Q000517:prevention & control; D016022:Case-Control Studies; D015331:Cohort Studies; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology / Q000517:prevention & control; D008826:Microbial Sensitivity Tests; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D015995:Prevalence; D011336:Probability; D012016:Reference Values; D012189:Retrospective Studies; D018570:Risk Assessment; D013290:Streptococcal Infections / Q000188:drug therapy / Q000453:epidemiology*; D013292:Streptococcus agalactiae / Q000187:drug effects*