From: Infantile neurodevelopmental outcome after fetoscopic laser photocoagulation for twin-to-twin transfusion syndrome: the first prospective experience from Iran
Variables
Frequency (%)
Gestational age at birth
26–27+6 week
3 (6.9)
28–29+6 week
8 (18.6)
30–31+6 week
14 (32.5)
32–36+6 week
15 (34.8)
37 < week
Stage of TTTS
II
26 (60.4)
III
IV
2 (4.6)