Health of Pessary Versus Progesterone Supplement for Preventing Preterm Birth Children

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

529 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-03-06

Study Completion Date

2020-12-09

Brief Summary

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To give strong recommendations on the efficacy and safety of vaginal progesterone versus cervical cerclage, we conduct this study to investigate the physical and mental development of children from vaginal progesterone versus cervical cerclage. Based on our research (Dang et al., 2019), the twin pregnancies with cervical lengths less than 38mm were randomly assigned to receive vaginal progesterone or cervical cerclage, which leads to the similarity in characteristics of these two groups. Hence, the result of analyzing these offsprings would be preciously valuable.

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Detailed Description

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Preterm birth (PB) is the leading cause of neonatal morbidity and mortality. Twin pregnancies and short cervical length are two high-risk factors of PB. Generally, in singleton pregnancies with short cervical length below 25 mm, or with a history of preterm birth, preventive measures of PB are vaginal progesterone and cervical cerclage. The cervical pessary is also being investigated for effectiveness in PB prevention in different populations. However, the effective preventive methods for PB has not been identified up to now in twin pregnancies with short cervical length.

In our research, the results showed that the preterm birth rate before 34 weeks in the cervical pessary group was lower than the progesterone group (16% vs 22%, RR 0.73; 95% CI 0.46 - 1.18). The perinatal outcomes were also better in the cervical pessary group than in the progesterone group (19% vs 27%, RR 0.70; 95% CI 0.43 - 0.93). The cost of the cervical pessary method was also significantly lower than the vaginal progesterone method cost. Pessary insertion was also more convenient since it was only inserted once during pregnancy, compared to daily vaginal progesterone. Therefore, the cervical pessary may be an appropriate option for preventing preterm birth in twin pregnancies with a short cervix.

However, besides these short-term outcomes, we need to pay more attention to the longer-term issues of both mothers and infants. Some evidence up to now has demonstrated that both these two methods are safe with no impact on physical, mental, and motor development of children up to 3 years old and even in older children. However, such evidence is still rare. Also, there hasn't been any study evaluating the impact, if any, of these two PB preventive methods.

Conditions

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Preterm Birth

Study Design

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Observational Model Type

OTHER

Study Time Perspective

PROSPECTIVE

Study Groups

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Cervical pessary

Cervical pessary (Arabin) will be inserted to participants at 16-22 weeks and removed at 37 weeks of pregnancy or in case of premature rupture of membranes, signs of preterm labour or patient severe discomfort.

Developmental score according to The Ages & Stages Questionnaires®, Third Edition - ASQ®-3

Intervention Type OTHER

Ages \& Stages Questionnaires®, Third Edition (ASQ®-3) is a developmental screening tool designed for use by early educators and health care professionals. It relies on parents as experts, is easy-to-use, family-friendly and creates the snapshot needed to catch delays and celebrate milestones.

Physical development and General Health

Intervention Type OTHER

Physical development and General health examination

Developmental Red flags

Intervention Type OTHER

Developmental Red flags Questionnaires

Vaginal Progesterone

Vaginal progesterone (Cyclogest 200 mg) once a day will be used, from 16-22 to 37 weeks of pregnancy or in case of premature rupture of membranes, signs of preterm labour or patient severe discomfort.

Developmental score according to The Ages & Stages Questionnaires®, Third Edition - ASQ®-3

Intervention Type OTHER

Ages \& Stages Questionnaires®, Third Edition (ASQ®-3) is a developmental screening tool designed for use by early educators and health care professionals. It relies on parents as experts, is easy-to-use, family-friendly and creates the snapshot needed to catch delays and celebrate milestones.

Physical development and General Health

Intervention Type OTHER

Physical development and General health examination

Developmental Red flags

Intervention Type OTHER

Developmental Red flags Questionnaires

Interventions

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Developmental score according to The Ages & Stages Questionnaires®, Third Edition - ASQ®-3

Ages \& Stages Questionnaires®, Third Edition (ASQ®-3) is a developmental screening tool designed for use by early educators and health care professionals. It relies on parents as experts, is easy-to-use, family-friendly and creates the snapshot needed to catch delays and celebrate milestones.

Intervention Type OTHER

Physical development and General Health

Physical development and General health examination

Intervention Type OTHER

Developmental Red flags

Developmental Red flags Questionnaires

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Live babies born from The pessary versus vaginal progesterone in women with a twin pregnancy and a cervix \<38 mm study (NCT02623881)
* Parents agree to participate in the study.