Hysteroscopy for the detection and possible correction of intrauterine abnormalities not seen at routine imaging is not recommended (Casini et al., 2006; Seyam et al., 2015).	Strong ⊕⊕○○
HSG (i.e. tubal flushing) with an oil-soluble contrast medium is preferable over a water-soluble contrast medium. Risks and benefits of tubal flushing with oil-soluble contrast medium should be discussed with all couples with unexplained infertility (Wang et al., 2020).	Conditional ⊕⊕○○
Endometrial scratching should not be offered for unexplained infertility (Parsanezhad et al., 2013; Senocak et al., 2017; Ghuman et al., 2020; Jafarabadi et al., 2020; Yildiz et al., 2021; Wong et al., 2022).	Strong ⊕⊕○○