Fetal and Maternal Outcomes in a Cohort of Patients With Primary Sjogren's Syndrome: An Observational Study

Background Pregnant women with primary Sjogren's syndrome (PSS) have a high incidence of maternal and fetal complications due to immunological variations caused by maternal antibodies (anti-Sjogren's-syndrome-related antigen A (SSA) and anti-anti-Sjogren's-syndrome-related antigen B (SSB) crossing the placenta from the 12th week of gestation, mediating the tissue damage. A multidisciplinary approach is required in the management of such patients. Data regarding the effects of PSS on pregnancy are deficient in the Indian context. Methods This was a retrospective observational study on the maternal and fetal outcomes of PSS on a cohort of pregnant women treated at our tertiary care center between 2011 and 2020. Patients who satisfied the criteria for PSS were included, and patients with other associated autoimmune disorders were excluded. Maternal age, number of miscarriages, prior obstetric history, and maternal and fetal complications were recorded and statistically analyzed. Results There were 16 pregnancies in 10 women with PSS (incidence: 1/1,000 pregnancies/year) in our study. The mean gestational age of the mother at presentation was 31 ± 9.0 weeks. Oligohydramnios in five (11.8), intrauterine fetal demise (IUFD) in two (11.8), and first-trimester medical termination of pregnancy (MTP) in four (23.5) were noted. The weight of neonates was 2.3 ± 0.8 kg, and the mean duration of neonatal intensive care (NICU) stay was seven days. Fetal echo revealed congenital heart block (CHB), with six (50.0%) complete and one (8.3%) incomplete (p = 0.004). One baby needed a permanent pacemaker. Conclusion Maternal and fetal complications are high in our set of mothers with PSS. Early detection, regular follow-up, and a multidisciplinary approach may improve the outcome.