Maureen who has missed her period and has been vomiting should check the human chorionic gonadotropin (hCG) hormone using a urine pregnancy kit to confirm that she is pregnant. Correct answer: A Human chorionic gonadotropin (hCG) is a hormone that's detected in your urine and blood when you're pregnant. Because of this it is also called the pregnancy hormon. When pregnant the hCG levels are increased.