177 Study characteristics Full details of the characteristics of the included studies are shown in Table 7.3. Of the sixteen included studies, nine studies assessed uterine peristalsis using Cine MRI, two using TVUS, one using HSSG and four using intrauterine pressure measurement. Table 7.4 shows an overview and definition of the measurement tools employed in the included studies. Eight studies assessed uterine peristalsis in patients with leiomyomas, five studies assessed uterine peristalsis in patients with endometriosis and/or adenomyosis and one study assessed uterine peristalsis in patients with congenital uterine anomalies, namely patients with a bicornuate uterus. One included study assessed uterine peristalsis in patients with leiomyomas and endometriosis. An additional paper on the influence of chronic endometritis on uterine peristalsis was identified and included, as chronic endometritis is classified as a uterine abnormality. No studies were identified that focussed solely on the influence of adenomyosis on uterine peristalsis. As described above, adenomyosis and endometriosis are associated and usually occur simultaneously to varying degrees however. Therefore, studies focussing on the influence of endometriosis on uterine peristalsis are included as well.
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