PT - JOURNAL ARTICLE AU - Marianne Wallenius AU - Kjell Å. Salvesen AU - Anne K. Daltveit AU - Johan F. Skomsvoll TI - Miscarriage and Stillbirth in Women with Rheumatoid Arthritis AID - 10.3899/jrheum.141553 DP - 2015 Sep 01 TA - The Journal of Rheumatology PG - 1570--1572 VI - 42 IP - 9 4099 - http://www.jrheum.org/content/42/9/1570.short 4100 - http://www.jrheum.org/content/42/9/1570.full SO - J Rheumatol2015 Sep 01; 42 AB - Objective. To examine the risk of pregnancy loss in women with rheumatoid arthritis (RA).Methods. Cumulative numbers of early miscarriages (before gestational Week 12), late miscarriages (weeks 12–22), and stillbirths reported to the Medical Birth Registry of Norway in the period 1999–2009.Results. There were 1578 women with RA and 411,130 reference women included in the study. Relative risks of early and late miscarriage in women with RA versus references were 1.2 (95% CI 1.1–1.3) and 1.4 (95% CI 1.1–1.7), respectively. There was no difference in stillbirth.Conclusion. The risk of miscarriage was slightly higher among women with RA than in references.