FILOLOGICHESKIE NAUKI-NAUCHNYE DOKLADY VYSSHEI SHKOLY-PHILOLOGICAL SCIENCES-SCIENTIFIC ESSAYS OF HIGHER EDUCATION.
ООО "Инновационный научно-образовательный и издательский центр "АЛМАВЕСТ".
2018.
P. 12-19
Premature birth (PB) is associated with placental insufficiency, which is confirmed in the morphological study of the placenta. Ultrasonic markers of placental abnormalities, often preceding PB, have been identified: changes in placental structure, premature ripening of the placenta, oligohydramnios, and fetal-placental circulation.