Cervix Monitor for Elasticity and Length Measurements

Study Results

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Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

20 participants

Study Classification

OBSERVATIONAL

Study Start Date

2017-05-01

Study Completion Date

2022-10-11

Brief Summary

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Preterm birth is a leading global cause of neonatal mortality despite of numerous advances and intensive research in perinatal medicine. Almost one million children die each year due to complications of preterm birth and in almost all countries with reliable data, preterm birth rates are increasing. Of the 14 million survivors per year, many face a lifetime of disability, including learning disabilities, visual and hearing impairments. Spontaneous preterm delivery (SPTD) is often multi factorial event, precocious cervical softening, shortening and dilatation are a common denominator. The majority of preterm births happen spontaneously, though some are due to early induction of labor or cesarean birth, typically due to medical maternal of neonatal conditions.

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Detailed Description

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The uterine cervix has to provide structural integrity and mechanical resistance to ensure normal development of the fetus as the uterus expands to accommodate the fetus growth. Preterm delivery is closely related to a premature cervical ripening. The scientific bases for the proposed project is the elasticity modulus of a cervix is a more sensitive parameter characterizing the stage of cervical ripening. The main component of the cervix tissue is a collagen. Cervical ripening is the result of realignment of collagen, degradation of collagen cross-linking due to proteolytic enzymes. These processes affect the elasticity modulus of the cervical tissue. Therefore, assessment of cervix by a device measuring cervical elasticity and cervical length appears to be and adequate approach for identifying pregnant women at high risk of spontaneous preterm delivery. The primary cervical elasticity assessment currently used in clinical practice is relying on the evaluation of the cervix as "hard, medium or soft". In the scope of this project the investigators propose to develop and clinically validate a new and cost-effective device, Cervix Monitor for detecting cervix conditions leading to SPTD and its risk assessment. The CM will be based on measuring of the applied pressure to the cervix by a tactile sensor array and ultrasound measurement of cervix length .

Conditions

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Preterm Birth

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Group 1: Non-pregnant women

Non-pregnant women with normal pelvic floor

Measurement

Intervention Type OTHER

Measurement of cervix elasticity and length measurements is not an intervention

Group 2: Pregnant women

Pregnant women; 22-29 weeks of pregnancy

Measurement

Intervention Type OTHER

Measurement of cervix elasticity and length measurements is not an intervention

Interventions

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Measurement

Measurement of cervix elasticity and length measurements is not an intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

1. Adult women age 21-44 years
2. Non-pregnant women, or
3. Pregnant women

Exclusion Criteria

1. Active cancer of the colon, rectum wall, cervix, vaginal, uterus or bladder
2. Ongoing or prior radiation therapy for abdominal or pelvic cancer
3. Recent (less than four months) pelvic surgery
4. Surgically absent uterus, rectum or bladder
5. Significant circulatory or cardiac conditions that could cause excessive risk from the examination as determined by attending physician
6. Severe abdominal or pelvic adhesions preventing access to pertinent anatomy
7. Known or suspected bleeding disorder
8. HIV or hepatitis B positive serology
9. Warty lesions on the vulva
10. Extensive varicose veins on the vulva
11. Active skin infection or ulceration within the vagina/vulva (Herpes infection)
12. Presence of a vaginal septum
13. Severe hemorrhoids

Minimum Eligible Age

21 Years

Maximum Eligible Age

44 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes