The decision to implement screening for infections during pregnancy
depends upon epidemiological, economic, therapeutic and test performance
criteria. It therefore varies with public health priorities from country
to country. When screening is implemented, first trimester has become
the best time slot to build individual care pathways also in this field.
This is most relevant for evaluating the risk of embryonic consequences,
plan diagnostic testing, initiate primary or secondary prevention and
increase the accuracy of ultrasound follow-up. This is a critical
appraisal of epidemiological data and current international screening
recommendations for infections in pregnancy.