PREGNANCY OUTCOMES IN IDIOPATHIC INFLAMMATORY MYOPATHIES: A COMPARISON TO THE GENERAL AMERICAN POPULATION
Authors: Ana Valle et al.
This registry-based study evaluated the rate of term pregnancies, preterm pregnancies, abortions, and living children in 86 women with idiopathic inflammatory myopathies and an obstetrics history. There were a total number of 224 pregnancies. The frequency of elective abortions was similar with that of control females from a US survey and the mean frequency of spontaneous abortions was lower in women with a history of myositis in comparison to the general population. The rate of preterm pregnancies was similar.
Studying pregnancy within idiopathic inflammatory myopathies has been difficult due to limited cases. The lack of poor pregnancy outcome studied in patients with a history of myositis may, however, not apply to pregnant females with active disease.