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Direction of associations between maternal underweight and obesity and early and late medically-induced and spontaneous PTB compared to term births
|
Medically-induced PTB |
Spontaneous PTB |
|||
|---|---|---|---|---|
| Early | Late | Early | Late | |
| Maternal underweight |
─ |
─ |
─ |
↑ |
| Maternal obesity | ↑ | ↑ | ─ | ↓ |
─no association; ↑ = increased odds; ↓ = decreased odds.
