1 子宫收缩强度不(bú )同   (🎍)参考文献   [2]Burnett MA, Antao V, Black A, et al. Prevalence of primary dysmenorrhea in Canada. J Obstet Gynaecol Can 2005; 27:765.   [1]Schoep ME, Nieboer TE, van der Zanden M, et al. The impact of menstrual symptoms on everyday life: a survey among 42,879 women. Am J Obstet Gynecol 2019; 220:569.e1.   ·1 级(轻度):月(🍌)经时感觉轻微疼痛(tòng )或不适,不需要(⌚)服用止痛药,通过热敷、多休息(xī )、多喝热水即(jí )可缓解;   触碰科技(🥄)温度