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Factors triggering pre-pregnancy migraine headaches in the women participating in the study.
| Factors Triggering Migraine Headaches | n (%) | |
|---|---|---|
| Stress | Yes | 175 (91.6) |
| No | 16 (8.4) | |
| Noise/sound | Yes | 148 (77.5) |
| No | 43 (22.5) | |
| Insomnia | Yes | 147 (77.0) |
| No | 44 (23.0) | |
| Bright light | Yes | 146 (76.4) |
| No | 45 (23.6) | |
| Hunger | Yes | 136 (71.2) |
| No | 55 (28.8) | |
| Humidity/heat/cold air | Yes | 118 (61.8) |
| No | 73 (38.2) | |
| Menstruation | Yes | 71 (37.2) |
| No | 120 (62.8) | |
| Foods and beverages | Yes | 49 (25.7) |
| No | 142 (74.3) | |
