“…Some individuals were not allowed to participate in religious practices whilst menstruating (within this review examples were given from those practicing Christianity, Judaism, Hinduism and Islam) [8,60,63,67,86,92,120], and some religions prohibited menstrual sex [67,86,105]. Where adolescent participants missed education during menstruation it was normally due to pain [8,32,34,49,56,58,61,64,65,71,80,87,99,103,122,127,129]. Many participants did not engage socially during menstruation [34,36,40,41,48,58,61,71,72,80,81,87,92,94,95,99,112,119,122,129,…”