(Reuters) – Oxford University scientists said on Tuesday they would evaluate the effects of new coronavirus variants on pregnant women and newborns, as well as COVID-19 vaccination effects on complications during pregnancy and after birth. The study comes less than a year after the university found that pregnant women with COVID-19 and their newborn children faced higher risks of complications, such as premature birth and organ failure risk, than was previously known. The researchers said the study aimed to fill gaps, including the effects of new variants of the virus such as Omicron in a high…