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Clinical Trial Summary

In recent years, due to the popularity of exercise during pregnancy, the American College of Obstetricians and Gynecologists recommends that pregnant women should engage in 150 minutes of moderate-intensity exercise per week, including aerobic exercise or weight training. This can help reduce pregnancy complications (such as preeclampsia, gestational diabetes, pelvic pain, etc.) and does not increase the risk of miscarriage or premature birth. Pelvic pain during pregnancy is the most troublesome problem for pregnant women, often affecting their daily lives and mental health, leading to the need for long-term use of painkillers and even affecting their daily routine and sleep. Currently, research has also found that exercise during pregnancy can improve pelvic pain during pregnancy and reduce the inconvenience caused by pain in daily life. However, weight training can strengthen spinal stability and reduce lower back pain problems in non-pregnant individuals, but there is currently no research discussing whether weight training for pregnant women can improve pelvic pain during pregnancy, possibly because weight training for pregnant women is not widely accepted by society and is often associated with misconceptions and prejudices. Recent literature synthesis analysis tells us that weight training during pregnancy does not increase the risk of premature birth or miscarriage. Pregnant women in supervised moderate-intensity weight training do not endanger the health of the mother or fetus, and the safety is sufficient. Therefore, we hope to understand the effects and mechanisms of weight training during pregnancy on pelvic pain during pregnancy through this study.


Clinical Trial Description

Pregnancy-related pelvic girdle pain is one of the most troubling issues for pregnant women. Everyday activities, such as walking, standing, sitting, and even lying down, can potentially trigger or exacerbate the pain. The diagnostic criteria for pelvic girdle pain are relatively complex. Since the 2008 European guidelines suggested clinical physiotherapy test conditions, they have gradually been adapted for pregnant women. In 2021, Monika revised the diagnostic criteria, allowing pregnant women to self-check for pelvic girdle pain diagnosis, with the following self-test conditions: Pregnant women have experienced at least one day in the past four weeks when pelvic girdle pain has affected their daily lives. They can clearly point out the painful area (e.g., sacroiliac joint or pubic symphysis joint pain). At least one positive anterior pelvic girdle pain test item, or two positive posterior pelvic girdle pain test items, are confirmed through a "pelvic girdle pain self-check." Research has found that 50-70% of pregnant women experience pelvic girdle pain during pregnancy, with 33%-50% experiencing pain even before 20 weeks of gestation. However, 7% continue to have pelvic girdle pain issues for life after childbirth. Pregnancy-related pelvic girdle pain affects daily life and mental health, often leading to long-term use of painkillers and affecting daily routines and sleep. Recent research suggests that weight training can strengthen spinal stability and reduce lower back pain in non-pregnant individuals. The American College of Obstetricians and Gynecologists recommends pregnant women engage in 150 minutes of moderate-intensity exercise per week, including aerobic exercise or weight training. Studies also show that exercising during pregnancy can improve pelvic girdle pain, reducing inconvenience in daily life, but it cannot reduce the incidence of pain. In a 2019 survey about pregnancy-related pain, 47% of pregnant women reported having lower back pain during pregnancy. The study found that the fewer times women exercised per week before pregnancy, the more likely they were to experience lower back pain during pregnancy. However, most current exercise intervention studies for pregnancy-related pelvic girdle pain focus on aerobic exercise rather than weight training. Weight training for pregnant women has not yet been widely accepted, and there are many misconceptions. However, meta-analysis of literature shows that weight training during pregnancy does not increase the risk of preterm birth or miscarriage. Moderate-intensity weight training under guidance does not harm maternal or fetal health, and its safety is sufficient. Therefore, we want to understand whether weight training, as opposed to traditional aerobic exercises, can improve pregnancy-related pelvic girdle pain. Are there differences in muscle cell proliferation and differentiation during pregnancy compared to non-pregnant adults? Does incomplete muscle cell differentiation affect muscle strength, leading to pain in pregnant women? And what mechanisms do weight training exercises use to improve pain? ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05879575
Study type Interventional
Source National Taiwan University Hospital Hsin-Chu Branch
Contact KUAN YING HUANG
Phone +886972653739
Email G01356@hch.gov.tw
Status Recruiting
Phase N/A
Start date May 31, 2023
Completion date October 1, 2024

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