Month: September 2022

Prof. Norman Fenton: The Statistical Illusions at Play When Comparing Pregnancy Outcomes of “Vaccinated” Against “Unvaccinated” Women

Prof. Norman Fenton: The Statistical Illusions at Play When Comparing Pregnancy Outcomes of “Vaccinated” Against “Unvaccinated” Women

How can a lower stillbirth rate in “vaccinated” pregnant women mean that they are at higher risk of stillbirth? It is all about what stage of their pregnancy they get vaccinated – there is “survivor bias” in those vaccinated late in pregnancy. Professor Norman Fenton explains the “survivor bias” and its impact on studies of treatments in pregnancy.