A 39-Year-Old Woman Is in Her Sixth Week of Pregnancy

Multiple Choice

A 39-year-old woman is in her sixth week of pregnancy.Due to her advanced age, she is at higher risk for having a baby with Down's syndrome than younger pregnant women.She would like to find out as early as possible whether or not her baby has Down's syndrome.Her doctor should suggest

A) amniocentesis.
B) genetic counseling.
C) chorionic villi sampling.
D) a pedigree analysis.