A pregnant woman goes to her obstetrician for her first ultrasound. After the exam is over, the doctor remarks, "It looks like the ribs are still developing, and I might even have seen some tiny fingers and toes." How many weeks pregnant is this woman?

A) less than 5 weeks
B) between 5 and 8 weeks
C) between 8 and 14 weeks
D) more than 14 weeks


Answer: B

Biology & Microbiology

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