If a Pregnancy Test Can Detect Pregnancy Within Two Weeks

Multiple Choice

If a pregnancy test can detect pregnancy within two weeks after fertilization, it most likely works by:

A) detecting the hormone human chorionic gonadotropin in the woman's urine
B) detecting a rise in the woman's body temperature from 98.6 to about 99.3
C) detecting the presence of a much higher percentage of alpha brain waves during the woman's sleep cycles
D) detecting a dramatic increase in the acidity of the woman's urine