임신 중 태반에서 생성되어 황체를 유지하며 주로 임신 여부를 확인하는 지표로 사용되는 호르몬.
A hormone produced by the placenta during pregnancy that maintains the corpus luteum and is used as a marker in pregnancy tests.
예문:
"The home pregnancy test kit works by detecting HCG levels in the urine."
"Abnormally low HCG levels might indicate a potential issue with the pregnancy."
"HCG injections are sometimes administered to stimulate ovulation in fertility clinics."