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Consider a situation in which a woman contracts rubella (German measles) in the eleventh week of pregnancy as opposed to the thirtieth week of pregnancy. The difference in how rubella would affect the unborn child at these two times is an example of a:

A. continuous change
B. critical period
C. discontinuous change
D. sensitive period



Answer :

GinnyAnswer

Final answer:

Critical period in fetal development is crucial for the impact of teratogens like rubella on the unborn child during pregnancy.


Explanation:

Critical period refers to the specific time during fetal development when exposure to harmful substances can lead to significant damage. In the case of a woman contracting rubella during pregnancy, the 11th week is crucial as it can result in severe complications such as stillbirth, spontaneous abortion, or birth defects, highlighting the importance of prenatal screening. This exemplifies how the timing of exposure during pregnancy can impact fetal development.


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