To investigate the incidence of Covid-19 positive women (PCR -test) attending the routine second trimester scan in southern Rogaland during one year
To investigate the incidence of Covid-19 positive women (IgM and IgG antibodies) in the same population
To estimate fetal weight in Covid-19 positive pregnant women every fourth week
To study eventual other complication associated to the mother.
Examine newborn outcomes like birth-weight, Apgar score, pH and base excess in the umbilical artery and compare outcomes in women with a positive and a negative test.