,Fetal abdomen,Fetal brain,Fetal femur,Fetal thorax,Maternal cervix,Other
Fetal abdomen,109,1,0,7,1,9
Fetal brain,0,502,3,1,0,3
Fetal femur,0,1,145,1,1,17
Fetal thorax,7,0,0,232,0,22
Maternal cervix,1,0,0,0,248,4
Other,22,4,34,33,1,796