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Number of babies sampled at each timepoint during the first month of life
| Timepoint | Number of babies sampled | |
|---|---|---|
| (days after birth) | C-section | Vaginal delivery |
| 4 | 153 | 157 |
| 6 | 0 | 2 |
| 7 | 252 | 280 |
| 8 | 1 | 1 |
| 9 | 1 | 1 |
| 10 | 3 | 0 |
| 11 | 0 | 4 |
| 12 | 4 | 4 |
| 13 | 1 | 1 |
| 14 | 2 | 3 |
| 17 | 0 | 1 |
| 18 | 1 | 0 |
| 21 | 178 | 147 |
