| Case | 1 | 2 | 3 | 4 |
| Age (years) | 20 | 37 | 36 | 37 |
| Parity | G0P0 | G3P2 | G2P1 | G1P1 |
| History of operation | - | - | Laparoscopic surgery twice | Cesarean section |
| Gestational weeks (weeks) | 5 | 8 | 6 | 8 |
| Pregnancy site (all were left tubal pregnancy) | Isthmus | Ampullary tube | Ampullary tube | Isthmus |
| Size of the gestational sac (mm) | 30 | 76 | 33 | 20 |
| Fetal heart beat | − | + | − | − |
| Tube rupture | + | − | − | + |
| Serum hCG (mIU/mL) | 15,604 | NM* | 6925 | 7280 |
| Blood loss (mL) | 2700 | 1100 | 850 | 2150 |
| Shock index | 1.5 | 1.1 | 1.3 | 0.7 |
| Blood transfusion | + | − | − | + |
| Operation performed | Salpingectomy | Salpingectomy | Salpingectomy | Salpingectomy |
| Length of hospitalization | 12 | 5 | 3 | 4 |