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Clinical Features by Autism Status
| Autism | Typical | |||
|---|---|---|---|---|
| # | % | # | % | |
| Preeclampsia/Eclampsia | 1823 | 3.9% | 289404 | 2.9% |
| Maternal obesity | 942 | 2.0% | 140955 | 1.4% |
| Post-term | 3403 | 7.2% | 804904 | 8.1% |
| Placental insufficiency | 6117 | 12.9% | 1144916 | 11.6% |
| Fetal hypoxia | 827 | 1.8% | 168173 | 1.7% |
| Abnormal presentation | 2396 | 5.1% | 414519 | 4.2% |
| Intraamniotic infection | 1252 | 2.7% | 216844 | 2.2% |
| Large for gestational age | 5992 | 12.7% | 1226017 | 12.4% |
