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Types of miscarriage occurring in first trimester in two groups of women undergoing in vitro fertilisation
| Miscarriage | Bacterial vaginosis (n=22) | Normal vaginal flora (n=27) |
|---|---|---|
| Preclinical | 18 | 16 |
| Anembryonic | 0 | 4 |
| Missed abortion | 2 | 4 |
| Spontaneous abortion | 2 | 3 |
