highly significantP < 0.001
The model effect test showed that the period variable had a highly significant overall effect on the incidence of complete situs inversus (likelihood ratio chi-square = 24.41, df = 2, P < 0.001).
The model effect test showed that the period variable had a highly significant overall effect on the incidence of complete situs inversus (likelihood ratio chi-square = 24.41, df = 2, P < 0.001).
During the COVID-19 infection period, the incidence of fetal laterality disorders showed an increasing trend from 2020 to 2024 ( P < 0.05).