Page 293 - Critical Maternity & Newborn Health Nursing

2. Gram +ve (Anaerobic streptococci ) the commonest

Mode of Infection:

(I) Endogenous origin: it may be present in the genital tract as anaerobic

streptococci which are normal non-pathogenic commensals that become

pathogenic in presence of devitalized tissues. It may be outside the genital

tract as in the gastrointestinal tract, perineum or in a distant part as tonsils

where it is transmitted by blood stream.

(II) Exogenous origin: from infected attendants, dust, instruments,…ect.

Predisposing factors:

1. Bad general condition: as anemia, diabetes and debilitating diseases.

2. Large number of bacteria: introduced into the genital tract due to improper

asepsis.

3. Intrapartum factors:

• Premature rupture of membranes.

• Prolonged labor

• Lacerations

• Retained fragments.

• Marked blood loss

• Instrumental delivery

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