The correct answer is A. Human Choronic Gonadotropin.
Step-by-step explanation
Human chorionic gonadotropin is the name by which the hormone that is produced by the embryo and placenta during pregnancy is known. On the other hand, a pregnancy test is a disposable device that allows knowing if a woman is pregnant, this test works by immersing one of its tips in the urine of the woman who presumes to be pregnant, then the test indicates with a line the absence of pregnancy or with two lines the confirmation of pregnancy. This test uses a chemical reaction in which human chorionic gonadotropin is detected, a pregnancy indicator in women since as mentioned earlier, this hormone is produced by an embryo and placenta. So, the correct answer is A. Human Choronic Gonadotropin