Abstract
Objective
Use of oral contraceptives (OCs) may prevent the development of rheumatoid arthritis, but the influence of OC use on disease outcome is unresolved. The purpose of this study was to examine functional outcome and OC use in women with inflammatory polyarthritis (IP).
Methods
The Norfolk Arthritis Register (NOAR) is an inception cohort of patients with recent-onset IP. We studied patient-reported history of OC use in 663 women who were born after 1945 and who had not used OCs during followup. OC use during followup was additionally investigated in 265 women who were
Original language | English |
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Pages (from-to) | 2183-2191 |
Number of pages | 9 |
Journal | Arthritis & Rheumatism |
Volume | 63 |
Issue number | 8 |
DOIs | |
Publication status | Published - Aug 2011 |