What happens at prenatal genetic counseling?

What does the evidence say about prenatal genetic counseling?

1. A prenatal genetics visit begins with the reason for referral and a detailed family and pregnancy history. Earlier pregnancy losses, a known familial condition, or a screening finding may change which questions need attention. Bring the written report for a known family result when available. 1
2. Counseling should support informed, independent decisions and respect your beliefs. The professional explains possibilities and limitations rather than directing whether you should continue a pregnancy or have a test. Say clearly if you need more time, simpler language, or help comparing options. 2
3. Carrier testing, prenatal screening, and tests on fetal cells have different purposes. A healthy carrier may have a reproductive risk without being ill. A high-chance screening result is different from finding a specific change in a sample taken for a fetal test. 3
4. Some genetic findings remain uncertain, and even a clear result may not predict a condition's severity. Ask before testing which results the laboratory reports and how uncertain findings would be explained. More information does not always remove every difficult decision. 4
5. A cell-free DNA result can be false positive, false negative, or nonreportable. When reviewing that report, ask about the exact condition screened, the chance that the result reflects the fetus, and whether another screening test or a procedure would address the remaining question. 5

When can genetic counseling help during pregnancy?

• First trimester. Gather family reports and discuss time-sensitive testing options early.
• Second trimester. Bring the full screening and ultrasound reports to a referral appointment.
• Third trimester. Ask how confirmed or unresolved findings affect birth planning and the baby's follow-up.

Questions to bring to your prenatal team