Analysis of Nutrition State of Premature Infants in NICU;

Analysis of influential factors of feeding intolerance in premature infant;

Prognostic value of fetus Fibronectin and length of cervix uteri detected by vagina sonography for premature delivery;

Role of infection in development of premature delivery;

Therapeutic efficacy of dexamethasone in antenatal therapy in premature delivery gravidas;

Changes of maternal serum cortisol and corticosteroid binding globulin levels in idiopathic preterm labor;

Cellular proliferation and apoptosis in placental trophoblast of preterm labor;

Relation of expressions of matrix metalloproteinase (MMP)-9 in human placenta and to preterm labor;

Efficacy of intravenous or atomizing ambroxol for prevention of respiratory distress syndrome in preterm infants;

Analysis of the concentration of plasma copper and collagen in fetal membrane of the preterm s mothers;

Brainstem auditory evoked potentials at different of click stimuli rates in preterm infants;

Study on the significance of fetal fibronectin in the prediction and early diagnosis for premature labor;

Clinical observation of oxyephedrine(Anbo) on management of threatened premature labor;

Study of the relationship between serum ferritin and PROM and premature labor;

Analysis on the social factors associated with the effects of premature birth and its results;

Premature birth is one of the main reasons of perinatal death and pregnancy complications.

IntroductionNeonatal chronic lung disease (CLD) is one of the most frequent and serious clinical problems associated with premature birth in neonatal intensive care units (NICU).