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Problem
It is unclear if the immunologic alterations induced by pregnancy could persist.
Method of study
Antenatal rubella sero‐negativity was correlated with gravidity, abortions and parity in 112 083 gravidae managed during 1997‐2015, with further analysis stratified for factors known to influence rubella serology.
Results
The 10.2% sero‐negative gravidae had different characteristics, and...
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