Comparison of an AI-Based App (MEASUREmense) and Pictorial Blood Assessment Chart for Evaluating Menstrual Bleeding: A Randomized Trial

Status

Unknown

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20250123004

Enrollment

198

Registered

2025-01-23

Start date

2025-01-06

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

The Pictorial Blood Assessment Chart (PBAC) is a commonly used visual tool to detect HMB, but it relies on subjective estimations, which may compromise accuracy Heavy menstrual bleeding (HMB), Pictorial Blood Loss Assessment Chart (PBAC), Blood loss assessment, Web application

Interventions

Use the app to evaluate menstruation.,Use the PBAC to evaluate menstruation.

Experimental Device,Placebo Comparator Device

App,PBAC

Eligibility

Sex/Gender

Female

Age

20 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. Thai female age upper 20 years old 2. Female who had menstruation cycle

Exclusion criteria

Exclusion criteria: 1. Female who had menopause

Design outcomes

Primary

Measure	Time frame
Accuracy 1 moths mean absolute error (MAE), sensitivity, and specificity.	—

Secondary

Measure	Time frame
inter-rater reliability 1 month Kendall coefficient of concordance	—

Countries

Thailand

Contacts

Public ContactChatree ChaiAdisaksopha

Division of Hematology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand

chatree.chai@cmu.ac.th0848085185

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026