Fetal biceps and deltoid muscle flexing in utero at 21 weeks gestation.
Sherer
D M
DM
Eggers
P C
PC
Abramowicz
J S
JS
D005260:Female; D005542:Forearm / Q000000981:diagnostic imaging* / Q000502:physiology; D005865:Gestational Age; D006801:Humans; D009132:Muscles / Q000000981:diagnostic imaging* / Q000502:physiology; D011247:Pregnancy; D012026:Reflex, Stretch; D016216:Ultrasonography, Prenatal