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Summary of pregnancy text4baby text messages delivered (n=192).
| Text message delivery variables | Mean (SD) | Range |
| Total number of messages sent | 61.3 (43.2) | 10-151 |
| Week of pregnancy when enrolled | 8.1 (1.9) | 4-14 |
| Weeks in pregnancy protocol | 12.6 (10.9) | 0-33.7 |
