Case Authors, journal or congress, year Age (y) gravity and parity previous CS ( Mode of conception Bleeding Gestation (weeks and days or weeks) FHB Size of GS, CRL Diagnostic modalities (TVUS, TAUS, and MRI) Preoperative beta-hCG level (mIU/mL) Implantation site Cervical dilatation (Laminaria or Hegar) Management TAUS guidance or laparoscopic assist Remarks 1
Hoshino T et al., 29 Spontaneous No 6 w 1 d + GS: 18.7 mm TVUS, TAUS 21,235 Anterior wall, fundal side Laminaria Hysteroscopic resection TAUS 2 Chang et al.,5 ] 29 Not documented Vaginal bleeding 7 weeks + GS: 21 mm TVUS
51,775 Anterior wall, right fundal side Hegar dilatation to 11 mm Diluted vasopressin injection, resection with wire loop electrode Not documented 3 Wang et al.,3 ] 31 IVF, 4 embryos transferred Vaginal bleeding 7 weeks + GS: + TVUS, TAUS 99,544 Not documented Hegar dilatation to 11 mm Hysteroscopic-directed evacuation and D&C Under US control Heterotopic CSP. CS at 39 weeks, live male 3250 g 4 Robinson et al.,6 ] 44 Spontaneous No 5 w 6 d + GS: 7.5 mm Follow-up ultrasound 11,082 Anterior wall, fundal side Not needed Laparoscope-assisted hysteroscopy Laparoscopy assist 5 Deans and Abbott, 7 ] 41 Not documented Not documented 7 weeks + Not documented Not documented 78,000 Not documented Not documented Hysteroscopy Not documented 6 Wang et al.,4 ] 36 Spontaneous Not documented 7 w 3 d + Not documented TVUS 28,338 Anterior wall Hegar dilatation to 12 mm Operative hysteroscopy accompanied by suction curettage Not documented
