機器
adult
belly
body
care
caucasian
cheerful
clinic
day
diagnostic
doctor
equipment
examination
examining
expecting
female
happy
health
healthcare
holding
hospital
human
indoors
lab
lying
male
man
maternity
medical
medicare
medicine
mid
modern
obstetrician
patient
pregnancy
pregnant
prenatal
professional
radiologist
radiology
scan
service
smiling
sonogram
sterile
technician
technology
ultrasonic
ultrasound