The Uterocervical Angle as an Additional Ultrasound Marker for Prediction of Preterm Birth

Preterm birth is one of the main causes of perinatal morbidity and mortality, which does not tend to decrease in rate. The risk of death in premature babies is 2535 times higher than that of full-term babies, and stillbirths are registered 813 times more often than in timely delivery. To date, there are no effective ways to prevent preterm birth. Therefore, the timeliness of therapy, which largely determines the outcome of pregnancy in general, depends on the effectiveness of assessing the likelihood of their development. At the International Federation of Gynecology and Obstetrics (FIGO) Congress (2018), preterm birth is identified as a problem that has not yet been solved at the current stage of science and technology development. The result of the unsolved problems is a situation wherein the modern world over the past 60 years there has been no decrease in the premature birth rate, which is 9.5% of births and annually ends with the birth of 15,000,000 premature babies. The study aimed to research modern methods of diagnosis and prediction of spontaneous preterm birth. An analytical method was used in the study: a detailed systematic analysis of modern domestic and foreign literature on the diagnosis and prognosis of preterm birth. We used eLibrary, Scopus, PubMed, MEDLINE, ScienceDirect, Cochrane Library bibliographic databases (until August 2020). The article deals with the diagnosis and prediction of preterm birth probability, which will optimize the management of patients from the risk group and, in the future, will reduce the rate of perinatal morbidity and mortality of premature babies. Despite a significant number of researches devoted to the study of possibilities for diagnosing and predicting spontaneous preterm birth, currently, there are no methods with absolute diagnostic value. Most -existing studies indicate that when assessing the probability of preterm birth, a comprehensive approach should be preferred taking into account the results of several main and additional methods.

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Possibilities for diagnosis and prediction of preterm labor at the present stage

Mudrov

Андреевич²,

Зиганшин

et al. 2021

Kazan Med J

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The anterior uterocervical angle as a new ultrasound marker of preterm labor in pregnant women with a history of endocrine and combined infertility

Tumanova

Коломієць

2021

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In women with endocrine and concomitant infertility there is a high frequency of the threat of termination of pregnancy at different periods, most often after stimulation of ovulation or as a result of assisted reproductive technologies, due to the formation of insufficiency of the luteal phase of the cycle in combination with hyperandrogenism and functional cervical insufficiency in every third pregnant woman. Regardless of the reasons, today there are no clear and early diagnostic criteria for this complication of pregnancy.Research objective: to determine the informational significance of the uterocervical angle for predicting premature birth in women with a singleton pregnancy and a history of infertility. Materials and methods. 127 women with singleton pregnancies aged 20–49 years underwent ultrasound at 12–14 and 16–20 weeks of gestation. The distribution of pregnant women into groups was based on the infertility factor: group I included 35 women with a history of endocrine infertility, group II included 37 pregnant women with a history of tubal-peritoneal infertility, group III included 25 women with a history of combined infertility (tubal-peritoneal infertility with endocrine), IV group (control) consist of 30 healthy pregnant women without a history of infertility.Results. The frequency of the uterocervical angle > 96° in the first half of pregnancy was in 31.4% of pregnant women with a history of endocrine infertility, in 10.8% of women with tubal-peritoneal infertility and in 32% of patients with a history of combined infertility. Preterm birth occurred in 45.4% of women with a history of endocrine infertility, in 75% of pregnant women with tubal-peritoneal infertility, in 62.5% of women with a history of combined infertility when the uterinecervical angle > 96° was detected in the first half of pregnancy.Conclusions. The uterocervical angle detected by ultrasound cervicometry in the first half of pregnancy in combination with other cervical parameters (length, state of the internal pharynx, etc.) improves the diagnosis of cervical insufficiency.

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Relationship of the mass index of the body and the cervical length in II trimestern pregnancy for prediction preterm birth

Карякина

Астафьева

Mikheeva

2019

Medicinskaâ vizualizaciâ

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The Uterocervical Angle as an Additional Ultrasound Marker for Prediction of Preterm Birth

Cited by 3 publications

References 14 publications

Possibilities for diagnosis and prediction of preterm labor at the present stage

Possibilities for diagnosis and prediction of preterm labor at the present stage

The anterior uterocervical angle as a new ultrasound marker of preterm labor in pregnant women with a history of endocrine and combined infertility

Relationship of the mass index of the body and the cervical length in II trimestern pregnancy for prediction preterm birth

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