“瑜伽锻炼对女大学生原发性痛经的疗效观察”用英语翻译

The curative effect of primary dysmenorrhea caused by practicing yoga.

因为“痛经”只会是女生的 所以就没有逐字翻 我觉得这样意思更通顺

Yoga exercise on female college students to observe the efficacy of primary dysmenorrhea