Pregnancy and fetal outcome in women with primary Sjogren's syndrome compared with women in the general population: a nested case-control study.
Objective. To study pregnancy and fetal outcome in women with primary SS (pSS) compared with women in the general population. Methods. In a nested case-control setting, variables related to pregnancy and fetal outcomes were compared. Cases (n = 16) were identified through registry linkage (Malmö pSS registry and a database entailing information of all pregnancies and deliveries in Malmö from 1990