Cervical length may change during ultrasonographic examination.
J
J
Sonek
M
M
Blumenfeld
M
M
Foley
F
F
Johnson
J
J
Iams
D002584:Cervix Uteri / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography