Karen has been using her stethoscope for many days to listen to her fetus' heartbeat. Today, for the first time, she detected her fetus' heartbeat. Karen must be at least ________ weeks pregnant.

Question

Quizplus · Accepted Answer

Using a stethoscope to listen to a fetus' heartbeat typically becomes possible around the 18th to 20th week of pregnancy, but the earliest it might be detected is around 8 weeks with specialized equipment. However, with a standard stethoscope, it's generally much later than 8 weeks, making B the best choice given the options.

Karen Has Been Using Her Stethoscope for Many Days to Listen