Aspirantskiy Vestnik PovolzhiyaAspirantskiy Vestnik Povolzhiya2072-23542410-3764Samara State Medical University2450810.17816/2072-2354.2014.0.1-2.113-117Research ArticleThreatened miscarriage during first and second trimester and perinatal outcomeMelkadzeE V-15032014141-211311711032020Copyright © 2014, Melkadze E.V.2014To examine the effect of threatened miscarriage on perinatal outcome. 428 histories of preterm labour were retrospectively evaluated. RESULTS: Second-trimester threatened miscarriage was not associated with premature delivery neither with hypotrophy of newborn but increased the risk of lungs atelectasis (odds ratio 2.22). Neonates of women with first and second-trimester threatened miscarriage were more likely to have of lungs atelectasis (odds ratio 2.12), intrauterine hypoxia (odds ratio 3.0), perinatal pathology of the central nervous system (odds ratio 2.94).threatened miscarriagepremature deliveryperinatal outcomeугроза прерывания беременностипреждевременные родыперинатальные исходы