References

1. Michał M, Marian M, Marek M, Ewa WO (2011) Heterotopic pregnancy in the absence of risk factors--diagnostics difficulties. Ginekol Pol 82: 866- 868 [Google Scholar] [PubMed]
2. Gruber I, Lahodny J, Illmensee K, Lösch A (2002) Heterotopic pregnancy: report of three cases. Wien Klin Wochenschr 114: 229-232 [Google Scholar] [PubMed]
3. Cheng PJ, Chueh HY, Qiu JT (2004) Heterotopic pregnancy in a natural conception cycle presenting as hematometra. Obstet Gynecol 104: 1195- 1198 [CrossRef] [Google Scholar] [PubMed]
4. Basile F, Di Cesare C, Quagliozzi L, Donati L, Bracaglia M, et al. (2012) Spontaneous heterotopic pregnancy, simultaneous ovarian, and intrauterine: a case report. Case Rep Obstet Gynecol 2012: 509694 [CrossRef] [Google Scholar] [PubMed]
5. Dor J, Seidman DS, Levran D, Ben-Rafael Z, Ben-Shlomo I, et al. (1991) The incidence of combined intrauterine and extrauterine pregnancy after in vitro fertilization and embryo transfer. Fertil Steril 55: 833-834 [CrossRef] [Google Scholar] [PubMed]
6. Seoud AA, Saleh MM, Yassin AH (2007) Spontaneous heterotopic pregnancy: a successful outcome. Clin Exp Obstet Gynecol 34: 252-253 [Google Scholar] [PubMed]
7. Montilla F, Amar P, Boyer S, Karoubi R, Diquelou JY (2007) [Heterotopic pregnancy: a case report with a rare symptomatology]. J Gynecol Obstet Biol Reprod (Paris) 36: 302-305 [CrossRef] [Google Scholar] [PubMed]
8. Sentilhes L, Bouet PE, Gromez A, Poilblanc M, Lefebvre-Lacoeuille C, et al. (2009) Successful expectant management for a cornual heterotopic pregnancy. Fertil Steril 91: 934 [CrossRef] [Google Scholar] [PubMed]
9. Ljuca D, Hudić I, Hadzimehmedović A (2011) Heterotopic pregnancy in natural conception -- our initial experience: case report. Acta Clin Croat 50: 249-252 [Google Scholar] [PubMed]
10. Louis-Sylvestre C, Morice P, Chapron C, Dubuisson JB (1997) The role of laparoscopy in the diagnosis and management of heterotopic pregnancies. Hum Reprod 12: 1100-1102 [CrossRef] [Google Scholar] [PubMed]
11. Mol BW, Hajenius PJ, Engelsbel S, Ankum WM, van der Veen F, et al. (1999) Can noninvasive diagnostic tools predict tubal rupture or active bleeding in patients with tubal pregnancy? Fertil Steril 71: 167-173 [CrossRef] [Google Scholar] [PubMed]
12. Goldstein JS, Ratts VS, Philpott T, Dahan MH (2006) Risk of surgery after use of potassium chloride for treatment of tubal heterotopic pregnancy. Obstet Gynecol 107: 506-508 [CrossRef] [Google Scholar] [PubMed]
13. Talbot K, Simpson R, Price N, Jackson SR (2011) Heterotopic pregnancy. J Obstet Gynaecol 31: 7-12 [CrossRef] [Google Scholar] [PubMed]