The nurse is counseling a woman with the Huntington gene who wants to become pregnant. What teaching would be most appropriate?
A) Advise the woman not to become pregnant.
B) Recommend genetic testing of fertilized eggs with in vitro fertilization.
C) Advise the woman to become pregnant and have amniocentesis at 14 to 18 weeks.
D) Recommend use of a donor egg.
B) Recommend genetic testing of fertilized eggs with in vitro fertilization.
Explanation: A) Advising the woman not to become pregnant is not necessary as there are ways of testing the fertilized egg for the gene prior to in vitro fertilization.
B) For individuals with HD who want to have a child who does not have the HD gene, there are some options. Genetic diagnostic testing can be used with in vitro fertilization to ensure that the fertilized egg does not have the abnormal gene. If the woman is already pregnant, a chorionic villus biopsy can be performed at 10-11 weeks or amniocentesis at 14-18 weeks to test the fetus for the HD gene.
C) For individuals with HD who want to have a child who does not have the HD gene, there are some options. Genetic diagnostic testing can be used with in vitro fertilization to ensure that the fertilized egg does not have the abnormal gene. If the woman is already pregnant, a chorionic villus biopsy can be performed at 10-11 weeks or amniocentesis at 14-18 weeks to test the fetus for the HD gene.
D) Although a donor egg can be used, there are ways of testing the fertilized egg for the gene prior to in vitro fertilization.
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