The BILAG2004-Pregnancy Index is a valid disease activity outcome measure for pregnant SLE patients.
Chee-Seng YeeMunther KhamashtaMohammed AkilRachael KildingIan GilesDavid WilliamsIan N BruceCaroline GordonPublished in: Rheumatology advances in practice (2022)
The BILAG2004-P has criterion validity and is sensitive to change.