| Journal of Clinical Gynecology and Obstetrics, ISSN 1927-1271 print, 1927-128X online, Open Access |
| Article copyright, the authors; Journal compilation copyright, J Clin Gynecol Obstet and Elmer Press Inc |
| Journal website http://www.jcgo.org |
Original Article
Volume 3, Number 3, September 2014, pages 93-96
Duration of the Development of Twin-Twin Transfusion Syndrome
Table
| Case No. | At last concordant AF | At TTTS diagnosis | ||||||
|---|---|---|---|---|---|---|---|---|
| GA (w) | AF1 (cm) | AF2 (cm) | GA (w) | AF1 (cm) | AF2 (cm) | Growth discordance (%) | Quintero staging | |
| GA: gestational age; AF: amniotic fluid; TTTS: twin-twin transfusion syndrome. *P value vs. TTTS developing < 2 weeks. | ||||||||
| TTTS developing < 2 weeks | ||||||||
| 1 | 13 | 3.1 | 4.3 | 17 | 1.0 | 9.0 | 41 | III |
| 2 | 15 | 4.5 | 4.5 | 17 | 0.6 | 15.0 | 2 | IV |
| 3 | 17 | 3.3 | 4.7 | 19 | 1.4 | 9.2 | 46 | I |
| 4 | 19 | 4.0 | 6.0 | 21 | 1.5 | 9.0 | 0 | I |
| 5 | 23 | 4.9 | 5.0 | 25 | 1.7 | 10.3 | 9 | I |
| 6 | 27 | 6.0 | 6.0 | 28 | 1.5 | 14.0 | 21 | I |
| 7 | 28 | 4.2 | 4.4 | 30 | 1.8 | 10.7 | 24 | I |
| 8 | 28 | 6.0 | 6.0 | 30 | 1.8 | 9.4 | 16 | I |
| 9 | 31 | 4.4 | 3.4 | 32 | 0.5 | 8.5 | 38 | III |
| Average | 22.6 ± 6.5 | 4.5 ± 1.1 | 4.9 ± 0.9 | 24.1 ± 5.9 | 1.3 ± 0.5 | 10.6 ± 2.3 | 21.9 ± 16.9 | - |
| TTTS developing ≥ 2 weeks | ||||||||
| 1 | 15 | 4.0 | 4.0 | 17 | 0.3 | 8.8 | 26 | I |
| 2 | 14 | 4.0 | 4.4 | 17 | 0.2 | 8.2 | 11 | IV |
| 3 | 15 | 4.5 | 4.6 | 18 | 0.2 | 10.0 | 49 | III |
| 4 | 15 | 3.0 | 6.0 | 18 | 1.9 | 8.0 | 16 | I |
| 5 | 17 | 4.5 | 4.5 | 20 | 1.5 | 9.7 | 3 | I |
| 6 | 16 | 4.0 | 4.0 | 20 | 1.2 | 10.0 | 16 | III |
| 7 | 18 | 6.0 | 6.0 | 22 | 2.0 | 15.0 | 16 | I |
| 8 | 20 | 4.5 | 5.5 | 23 | 2.0 | 8.2 | 19 | IV |
| 9 | 12 | 2.5 | 3.5 | 25 | 0.6 | 8.6 | 14 | II |
| 10 | 23 | 4.0 | 6.0 | 26 | 1.7 | 9.3 | 10 | I |
| 11 | 18 | 4.3 | 4.0 | 27 | 1.5 | 10.0 | 25 | I |
| 12 | 25 | 5.6 | 5.7 | 28 | 1.0 | 11.0 | 28 | I |
| 13 | 24 | 5.0 | 5.0 | 28 | 2.0 | 9.0 | 8 | I |
| Average | 17.8 ± 4.1 | 4.3 ± 0.9 | 4.9 ± 0.8 | 22.2 ± 4.2 | 1.2 ± 0.7 | 9.7 ± 1.8 | 18.5 ± 11.7 | - |
| P value* | 0.06 | 0.66 | 0.95 | 0.42 | 0.71 | 0.34 | 0.62 | - |