
Keywords: ELBW، وزن کم هنگام تولد; aOR, adjusted odds ratio; AGA, appropriate for gestational age; BWSDS, birth weight standard deviation score; c-PVL, cystic periventricular leukomalacia; CLD, chronic lung disease; ELBW, extremely low birth weight; FGR, fetal growth restriction; IVH, intr