A pregnancy test is a simple test used to determine if a woman is pregnant. It works by detecting the presence of a hormone called human chorionic gonadotropin (hCG) in urine or blood, which is produced during pregnancy. Pregnancy tests can be done at home with a kit or at a medical setting. Home tests usually involve placing a sample of urine on a test strip or stick, which changes color if hCG is identified. Blood tests, performed by healthcare professionals, are more precise and can identify pregnancy earlier.

“pregnancy test”的英语定义和含义

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