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. 2019 Dec 27;9:20042. doi: 10.1038/s41598-019-56471-2

Figure 1.

Figure 1

(A) Put a cotton gauze pad (red arrow) around the hysteroscope; (B) An assistant held a cotton gauze pad (white arrow) around the hysteroscope and applied pressure toward the orifice of the vagina during the vaginoscopy.