NCT07405723Recruiting
Arm Position and Blood Pressure Measurement Accuracy During Pregnancy
Arm Position and Blood Pressure Measurement Accuracy in Pregnancy: A Randomized Controlled Trial
Source: ClinicalTrials.gov · Last updated 16 Apr 2026
Brief summary (registry, in English)
Accurate blood pressure measurement is essential during pregnancy, as blood pressure readings guide clinical decisions related to the diagnosis and management of hypertensive disorders of pregnancy. Clinical guidelines recommend measuring blood pressure with the arm supported at heart level; however, in routine practice, blood pressure is often measured with the arm in non-standard positions. This study aims to evaluate how different arm positions affect blood pressure measurements in pregnant women. Pregnant women attending a high-risk pregnancy clinic will undergo blood pressure measurements with the arm placed in several commonly used positions, including supported at heart level, supported on the lap, and unsupported at the side. Each participant will have multiple measurements taken during a single clinic visit. The study is designed as a randomized crossover trial with stratification by trimester and chronic hypertension status, allowing each participant to serve as her own control. Participants will be enrolled across all three trimesters of pregnancy, and results will be analyzed separately for each trimester. The primary outcome is the difference in systolic and diastolic blood pressure measurements between arm positions. The findings of this study may help improve the accuracy of blood pressure measurement during pregnancy and inform clinical practice regarding optimal measurement techniques.
- Status (registry)
- Recruiting
- Study type
- Interventional
- Enrollment
- 300 (estimated)
- First submitted
- 3 Feb 2026
- Start date
- 12 Apr 2026
- Primary completion date
- 1 Sept 2026
- Lead sponsor
- Sheba Medical Center
- Diseases
- High blood pressure
- NCT number
- NCT07405723
What you commit to
- Study type: Interventional
- Planned participants: 300
- From 12 Apr 2026 to the primary completion date, 1 Sept 2026
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Significant upper limb or shoulder conditions that may affect arm positioning or blood pressure measurement (e.g., lymphedema, fractures, prior surgery, arteriovenous fistula)
Other illness
- Preexisting significant cardiac disease (e.g., arrhythmias, congenital heart disease, severe valvular disease)
- Neurological or musculoskeletal conditions preventing proper positioning
- Severe preeclampsia, eclampsia, or other acute medical conditions requiring immediate intervention
Lab values
- Chronic kidney disease defined as serum creatinine ≥1.5 mg/dL at enrollment
Other
- Major fetal anomaly
- Intrauterine fetal demise
Who the study is looking for
- Pregnant women aged 18 to 55 years
- Singleton or multiple viable intrauterine pregnancy
- Gestational age corresponding to first, second, or third trimester at the time of enrollment
- Ability to sit upright comfortably for the duration of blood pressure measurements
- Ability to understand the study procedures and provide written informed consent
Age in the registry: 18 years to 55 years · Sex: Female · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Sheba medical center Coordinator of this site? Confirm its status | Ramat Gan | Israel | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.