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Characteristics of the women in the 2 groups.
| Preemptive* (n = 30) | Control* (n = 29) | P | |
|---|---|---|---|
| Mean age year (SD) | 32.2 (4.7) | 31.3 (3.2) | 0.37 |
| BMI (SD) | 25.2 (5.7) | 27.3 (6.6) | 0.2 |
| Some associated medical conditions | |||
| Motion sickness | 7 | 4 | N.S. |
| Acid reflux/indigestion | 23 | 27 | N.S. |
| Depression/anxiety | 8 | 16 | 0.04 |
| Low iron/anemia | 15 | 9 | N.S. |
| Headaches/migraines | 5 | 17 | 0.01 |
| HG in previous pregnancy | 20 | 11 | 0.07 |
*Mean # of followup per patient in each group: 8 (SD 1.8).
