Eesha Has Been Pregnant for About Eight Weeks And, Like

question 66

Multiple Choice

Eesha has been pregnant for about eight weeks and, like most new mothers, is anxious to know whether she is having a girl or a boy.She wants to have an ultrasound immediately so she can find out.What can you tell Eesha?

• A)An ultrasound cannot provide information about the sex of a baby until 32 weeks into the pregnancy.
• B)At this stage, rudimentary structures have yet to be formed, so you cannot yet know anything about the embryo's sex.
• C)At this point only an indifferent gonad has developed, so you cannot yet tell from an ultrasound whether the embryo is a girl or a boy.
• D)All basic structures are formed and visible at this point, including the sex organs, so you can definitely ask the ultrasound technician to tell you whether you have a girl or a boy.

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Definitions:

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Association

A relationship or connection between two or more variables where changes in one variable correspond with changes in another.

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The commercial transaction of buying and selling ice cream products.

Lurking Variable

A variable that affects both variables of interest in a study but was not included in the study, potentially confounding the results.