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. 2019 Oct 16;39(2):178–189. doi: 10.14366/usg.19043

Fig. 5. Transvaginal ultrasonography in a patient with a previously confirmed intrauterine pregnancy (IUP) and vaginal bleeding, showing an IUP with a fetal pole (arrowheads).

Fig. 5.

A curvilinear echogenic membrane is noted around the embryo, corresponding to the amniotic membrane (arrow).