Source: Prenatal testing is about to make being pregnant a lot more stressful — Quartz
The anxiety-inducing experiences of some women, coupled with the extensive marketing and commercial success of some non-invasive pregnancy testing, has experts worried.
A positive result is 79% likely to be wrong.
Indeed, manufacturers often say it’s up to doctors to inform women. But doctors may not understand these stats either. In a recent study quizzing MDs and medical students on the mathematics of screening tests, three-quarters of respondents answered incorrectly.