@article {Wallenius1570, author = {Marianne Wallenius and Kjell {\r A}. Salvesen and Anne K. Daltveit and Johan F. Skomsvoll}, title = {Miscarriage and Stillbirth in Women with Rheumatoid Arthritis}, volume = {42}, number = {9}, pages = {1570--1572}, year = {2015}, doi = {10.3899/jrheum.141553}, publisher = {The Journal of Rheumatology}, abstract = {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{\textendash}22), and stillbirths reported to the Medical Birth Registry of Norway in the period 1999{\textendash}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{\textendash}1.3) and 1.4 (95\% CI 1.1{\textendash}1.7), respectively. There was no difference in stillbirth.Conclusion. The risk of miscarriage was slightly higher among women with RA than in references.}, issn = {0315-162X}, URL = {https://www.jrheum.org/content/42/9/1570}, eprint = {https://www.jrheum.org/content/42/9/1570.full.pdf}, journal = {The Journal of Rheumatology} }