... Netherlands.Authors’ contributionsFG and RD had full access to all of the data in the study and takeresponsibility for the integrity of the data and the accuracy of the dataanalysis. FG, MW, YM, ... during pregnancy in patients with RA.Because pharmaceutical induction of MBL is not yetpossible, this hypot hesis cannot be properly tested in vivo. However, during pregnancy, MBL levels increase and ... genotypes and disease susceptibility and severity in RA [11].Alternative hypotheses have been proposed to explainthe pregnancy-induced improvement of RA, such as theinduction of regulatory T...