英文關鍵字
ultrasound
pregnant
baby
unborn
fetus
scan
embryo
abdomen
belly
pregnancy
uterus
womb
ultra
sonogram
mother
medical
technology
child
health
body
medicine
life
woman
hospital
biology
childbirth
heartbeat
placenta
anatomy
birth
infant
newborn
care
foetus
examination
human
monitor
motherhood
screen
sound
prenatal
modern
ultrasonography
diagnostic
sonography
display