Table 3 Reported cases of dichorionic diamniotic triplet pregnancy with conjoined twins
Study ID | Maternal age (years) | Mode of conception | Triplet type | Diagnosis age(wks) | Type of conjoining | Prenatal intervention of conjoined twins | Intervention weeks | Delivery age(wks) | Delivery method | Outcome of the fetuses | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Conjoined twins | Single fetus | ||||||||
Skupski DW 1995 [39] | 35 | IVF-ET | DCDA | 12 | Thoraco-omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 12+ | NS | NS | / | Pregnancy to the third trimester |
Goldberg Y 2000 [40] | 28 | IVF-ET | DCDA | 8 + 4 | Thoraco-omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 12+ | NS | NS | / | Pregnancy was ongoing |
Timor-Tritsch IE 2000 [41] | 32 | IVF-ET | DCDA | 10 | Omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 10 + 3 | NS | NS | / | Live birth no weight data |
Sepulveda W 2003 [31] | 29 | Spontaneous | DCDA | 10 + 3 | Thoracopagus | No | / | 38 | CS | IUD at 12 wks | Live birth weighing 2740 g |
Charles A 2005 [42] | NS | IVF-ET | DCDA | 10 | Omphalopagus | Selective fetal reduction | 15 | 21 | NS | / | no weight data Death due to premature delivery |
Hirata T 2009 [43] | 34 | IVF-ET | DCDA | 8 | Thoracopagus | No | / | 39 | VD | IUD at 10 + 3 wks | Live birth weighing 2792 g |
Shepherd LJ 2011 [44] | 32 | ovulation induction | DCDA | 13 + 1 | Thoraco-omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 13 + 5 | 40 | VD | / | Live birth weighing 3590 g |
Takae S 2011 [45] | 28 | NS | DCDA | 19 | Thoracopagus | No | / | 33 | CS | Live birth weighing 2767 g and died 23 days later | Live birth weighing 1754 g |
Ozcan HC 2017 [3] | 28 | Spontaneous | DCDA | 17 | Thoraco-omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 21 | 21 + 1 | CS | / | IUD at 21 + 1 wks |
Castro PT 2017 [46] | 32 | IVF-ET | DCDA | 9 | Thoraco-omphalopagus | No | / | 38 | VD | IUD at 13 wks | Live birth weighing 2750 g |
Our cases | 44 | Spontaneous | DCDA | 12 | Cranio-thoraco-omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 16 | 37 | CS | weighing 51 g | Live birth weighing 3270 g |
|  | 22 | IVF-ET | DCDA | 13 + 5 | Thoraco-omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 17 | 37 + 4 | CS | weighing 79 g | Live birth weighing 2760 g |
|  | 29 | Spontaneous | DCDA | 14 | Omphalopagus | Selective fetal reduction by intracardiac injection of KCl | 15 + 2 | 33 + 6 | CS | weighing 84 g | Live birth weighing 2450 g |