Table 1 Effect of intrauterine E. coli inoculation on preterm delivery.
From: Failure of E. coli bacteria to induce preterm delivery in the rat
Treatment | Number of E. coli organisms | Number of animals | Preterm delivery rate (%) |
|---|---|---|---|
Trans-cervical infusion | |||
Control | N/A | 16 | 0 |
Killed E. coli | 0.2 – 8 × 1010 | 14 | 0 |
Live E. coli | 1 – 4 × 108 | 8 | 0 |
Infusion at laparotomy | |||
Control | N/A | 1 | 0 |
Live E. coli | 2–7 × 108 | 5 | 0 |