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Table 4 Prevention for perinatal GBS disease among mothers of infected/colonized neonates and colonized pregnant women

From: Phenotypic and genetic differences among group B Streptococcus recovered from neonates and pregnant women in Shenzhen, China: 8-year study

Parameter No. of cases
MEOC MLOC MCN CPWa
Vaginal delivery 9 (12)b 11 (16) 9 (11) 19 (47)
Cesarean delivery 3 (12) 5 (16) 2 (11) 28 (47)
Full term labor 11 (12) 16 (17) 5 (11) 13 (47)
Preterm labor 1 (12) 1 (17) 6 (11) 34 (47)
PROM ≥ 18 h 3 (11) 0 (9) 1 (11) 21 (47)
PROM < 18 h 1 (11) 2 (9) 1 (11) 8 (47)
Without PROM 7 (11) 7 (9) 9 (11) 18 (47)
Screening for GBS prior to labor 1c (9) 0 (9) 4d (11) 46e (47)
Obtaining GBS culture results prior to labor 1 (9) 0 (9) 1 (11) 29 (47)
Without IAP at onset of true labor 8 (9) 9 (9) 8 (11) 13f (47)
Correct IAP at onset of true laborg 0 (9) 0 (9) 0 (11) 0 (47)
Incorrect IAP at onset of true labor 1 (9) 0 (9) 3 (11) 34 (47)
 Incorrect dosing 0 (1) 1 (3) 17 (34)
 Incorrect dosing and timing 1 (1) 1 (3) 15 (34)
 Non-recommended drugsh 0 (1) 1 (3) 2 (34)
 Non-recommended drugs and incorrect timing 0 (1) 0 (3) 0 (34)
  1. MEOC mother of early-onset case MLOC mother of late-onset case MCN mother of colonized neonate CPW colonized pregnant woman PROM premature rupture of membranes – none
  2. a Except mothers of infected/colonized neonates
  3. b Parentheses refer to the total of cases with available data
  4. c One case with threatened preterm labor
  5. d Four cases with preterm labor
  6. e Including 34 cases of preterm labor
  7. f Including 10 cases with unknown GBS status at the onset of labor
  8. g According to the 2010 guidelines recommended by CDC
  9. h Including erythromycin