About __________ of All Embryos Are Aborted During the Embryonic

question 70

Multiple Choice

About __________ of all embryos are aborted during the embryonic period.

• A) 30 percent
• B) 45 percent
• C) 55 percent
• D) 75 percent

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Definitions:

Correlational Study

A research method that examines the relationship between two or more variables to determine if a change in one is associated with a change in others.

Retrospective Study

A research design that looks back in time to analyze data from past records to investigate a particular outcome or phenomenon.

Prospective Study

A research design that follows participants forward in time to examine the relationship between specific exposures and outcomes.

Clinical Trial

A research design that tests the effects of medical treatment. Many clinical trials are randomized controlled trials that allow researchers to determine whether a new treatment is or is not effective.