1. Heterotopic cervical pregnancy treated with transvaginal ultrasound-guided aspiration resulting in cervical site varices within the myometrium 
Anish A. Shah, M.D., Chad A. Grotegut, M.D., Creighton E. Likes, M.D., Michael J. Miller, M.D., David K. Walmer, M.D., Ph.D. 
Fertility and Sterility 
Volume 91, Issue 3, Pages 934.e e22 (March 2009)
DOI: /j.fertnstert
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
At 28 weeks gestation, a pelvic ultrasound revealed the empty residual sac along with a new surrounding echogenic rim measured 3.4 × 2.4 × 3.2 cm.
Fertility and Sterility  , 934.e e22DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Very prominent vessels located in the lower uterine segment and cervix seen in association with the residual ectopic pregnancy.
Fertility and Sterility  , 934.e e22DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

4. Figure 3
Doppler studies of the prominent vessels associated with the residual ectopic pregnancy reveal venous waveforms.
Fertility and Sterility  , 934.e e22DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions