Author’s Note: On Scientific Advances

Doubtless many readers will be aware that a reliable and relatively risk-free in utero test for paternity, Cell-free fetal DNA testing, is now available. This prenatal screening tool, which was first developed and used to detect potential health issues in the fetus, involves taking a blood sample from the woman and the potential father(s) and is 98% accurate for paternity. Unfortunately for Anne, this story takes place in 2009, a little too early for Anne’s physician to have offered the test to her.