| 生理痛 | [せいりつう, seiritsuu] (n) menstrual pain; period pain [Add to Longdo] |
| I have bad cramps when I have my period. | 生理痛がひどいのです。 |
| Could it be that her prickly attitude is just because she has period pains? No, couldn't be. | もしかしてツンツンしているのは、生理痛なだけとか？いや、まさかね。 |