Randomized trial of advice from healthcare professionals to eliminate constriction by maternal clothing on the trunk to prevent preterm birth and improve health status

Author:

Kato Sachiko1,Takehara Kenji2ORCID,Sasaki Aiko3ORCID,Suganuma Hitomi1,Kakee Naoko4,Inoue Eisuke5,Tanigaki Shinji6,Sago Haruhiko3ORCID

Affiliation:

1. Department of Nursing National Center for Child Health and Development Tokyo Japan

2. Department of Health Policy National Center for Child Health and Development Tokyo Japan

3. Center for Maternal‐Fetal, Neonatal and Reproductive Medicine National Center for Child Health and Development Tokyo Japan

4. Division of Bioethics National Center for Child Health and Development Tokyo Japan

5. Showa University Research Administration Center Showa University Tokyo Japan

6. Department of Obstetrics and Gynecology Kyorin University School of Medicine Tokyo Japan

Abstract

AbstractAimWomen's clothing during pregnancy may influence perinatal outcomes. A preliminary study suggested that midwives' advice to avoid wearing tight clothing during pregnancy may reduce the risk of preterm delivery. We examined the effects of such advice to pregnant women on the risk of preterm birth and health status during pregnancy.MethodsAn open‐label evaluator‐blinded randomized controlled trial was conducted at the National Centre for Child Health and Development in Tokyo, Japan. Normal pregnant women were randomly assigned to receive constrictive clothing elimination care or standard care at 20 weeks gestation. The control group was issued leaflets concerning anemia prevention at entry and skin care at 30 weeks' gestation, along with a brief explanation and answers to questions by midwives as standard care. The intervention group received advice from midwives concerning avoiding constrictive clothing in addition to standard care. The primary outcome was the incidence of preterm birth (<37 weeks). The secondary outcomes were 12 indicators related to preterm delivery or health status.ResultsAmong 624 randomly assigned women, 599 (intervention group, n = 306; control group, n = 293) completed the study between February 2015 and August 2016. The incidence of preterm birth in the intervention and control groups was 4.2% (13/306) and 5.1% (15/293), respectively (p = 0.614). There were no significant differences regarding any secondary outcomes, including obstetric outcomes and physical/mental indicators, during pregnancy.ConclusionsAdvice from midwives to avoid constrictive clothing during pregnancy did not influence the incidence of preterm birth or maternal health status.Trial registration: UMIN000016853 (March 30, 2015).

Funder

National Center for Child Health and Development

Publisher

Wiley

Subject

Obstetrics and Gynecology

Reference17 articles.

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3. Born Too Soon: The global epidemiology of 15 million preterm births

4. CDC:Centers for Disease Control and Prevention.Reproductive Health Maternal and Infant Health Preterm Birth. Available from:https://www.cdc.gov/reproductivehealth/maternalinfanthealth/pretermbirth.htm

5. Midwife‐led continuity models versus other models of care for childbearing women;Sandall J;Cochrane Database Syst Rev,2016

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