ULTRASOUND CRITERIA OF THE CERVIX UTERI IN THE DIAGNOSIS OF PRETERM CHILDBEARING IN MULTIPLE PREGNANCY.
DOI:
https://doi.org/10.11603/24116-4944.2015.1.4693Keywords:
multiple pregnancy, miscarriage, threat of premature birth, transvaginal ultrasonography.Abstract
The dynamics of the state of the cervix in multiple and singleton pregnancy using transvaginal sonography was studied. Distinctive feature state of the cervix with twins, that is more rapid reduction of cervical after 24 weeks compared with singleton pregnancy was revealed. Ultrasound cervical length criteria for early formation of an increased risk of preterm delivery among patients with twins was developed. Standards cervical length for each gestational period in twins was developed. «Critical» periods (22-24 weeks) when it is necessary to conduct research cervix to determine the degree of risk of preterm birth was installed. With a length of cervix <34 mm in 22-24 weeks increased risk of preterm birth; of the risk of preterm birth at 32-35 weeks is cervical length <27 mm, the criterion of risk «early» preterm birth (before 32 weeks) - <19 mm.References
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