Intramural pregnancy after in vitro fertilization and embryo transfer: A case report

Figure 1 Transvaginal ultrasound image of intrauterine pregnancy at day 33 after embryo transfer. A: The transvaginal ultrasound showed a heterogeneous echogenic mass measuring 1.40 cm × 1.26 cm in size slightly arising from the left corner of the uterus, which had a 0.48 cm × 0.37 cm anechoic region inside (thin arrow). The endometrial–myometrial junction was displayed (coarse arrow); B: The transvaginal ultrasound showed a slender and extremely hypoechoic area stretching to the uterine cavity (coarse arrow) and the serosal surface of the heterogeneous echogenic mass was covered by feeble myometrial tissue (thin arrow).