What Does a Genetic Counselor Do?

A genetic counselor is a healthcare professional with specialized training in medical genetics and counseling. They hold a master's degree and are board-certified through the American Board of Genetic Counseling. Their role sits at the intersection of science and support: they help you understand complex genetic information and make decisions that align with your values.

What they are not is decision-makers. A good genetic counselor practices non-directive counseling, which means they present information clearly, help you think through the implications, and then respect whatever choice you make. They do not tell you what to do. They help you figure out what is right for you.

When Might You See a Genetic Counselor?

There are several common pathways to a genetic counseling appointment. You do not need to have a known risk factor to benefit from one.

Before Pregnancy (Preconception)

  • Carrier screening. You and your partner can be tested for recessive genetic conditions (like cystic fibrosis, sickle cell disease, spinal muscular atrophy, or Tay-Sachs) before you conceive. If both partners carry the same condition, a genetic counselor can explain what that means for your future children and walk you through your options.
  • Family history. If there is a known genetic condition in either family, a preconception consultation can help you understand the actual risk, which is often lower than people assume.
  • Previous pregnancy loss. Recurrent miscarriage or a prior pregnancy affected by a genetic condition may prompt a referral.

During Pregnancy

  • Abnormal screening results. A positive NIPT, elevated AFP, or concerning first-trimester screening result is one of the most common reasons for referral. A genetic counselor can help you understand what the result means (and does not mean) and what your options are for follow-up.
  • Ultrasound findings. If a scan reveals a soft marker or a structural finding, genetic counseling can help you interpret the significance and decide on next steps.
  • Advanced maternal age. People over 35 are often offered expanded screening and may benefit from a genetic counseling session to discuss their options.
  • Exposure concerns. If you have been exposed to a medication, infection, or environmental factor that could affect fetal development, a genetic counselor can help you assess the actual risk.

What a Session Looks Like

If you have never been to a genetic counselor, it helps to know what to expect. A typical session lasts 30 to 60 minutes and follows a general structure:

Family History Review

The counselor will build a detailed family tree (called a pedigree) covering at least three generations on both sides. They will ask about any known genetic conditions, birth defects, developmental differences, pregnancy losses, and ethnic backgrounds that may be relevant to carrier screening. You do not need to have all the answers. Bring what you know, and the counselor will work with what is available.

Risk Assessment

Based on your family history, your medical history, and any screening or diagnostic results you already have, the counselor will provide a personalized risk assessment. This is not a guess. It is based on established population data and genetic principles. They will explain the numbers in context, because a "1 in 200" risk means something very different depending on the condition and the baseline.

Options Counseling

This is the heart of the visit. The counselor will walk you through every relevant testing option, including:

  • What each test can and cannot tell you
  • The accuracy, timing, and process for each option
  • The risks of invasive procedures
  • What a positive or negative result would mean for your pregnancy

They will also leave space for questions, emotions, and uncertainty. Not everyone leaves a genetic counseling appointment with a clear plan, and that is perfectly fine.

Carrier Screening: A Closer Look

Carrier screening deserves special attention because it is relevant to a very large number of people and is often underutilized.

What It Is

Carrier screening tests whether you carry one copy of a gene variant associated with a recessive condition. Carriers are healthy themselves but can pass the variant to their children. If both biological parents carry the same recessive condition, each pregnancy has a 25% chance of being affected.

What It Covers

Expanded carrier screening panels now test for over 100 conditions. The most commonly screened include:

  • Cystic fibrosis
  • Spinal muscular atrophy (SMA)
  • Sickle cell disease and related hemoglobin disorders
  • Tay-Sachs disease
  • Fragile X syndrome

Some panels are tailored based on ethnic background, though pan-ethnic panels (which screen everyone for the same conditions regardless of ancestry) are increasingly standard.

When to Do It

Ideally, carrier screening is done before pregnancy so that results are available early. However, it can also be done during pregnancy, and the information remains valuable.

How to Find a Genetic Counselor

Referral

Many OB-GYNs and midwives can refer you directly. If your provider does not offer a referral and you want one, you can ask. You can also self-refer in many states.

The NSGC Directory

The National Society of Genetic Counselors maintains a searchable directory at FindAGeneticCounselor.com. You can filter by specialty (prenatal, preconception, cancer, pediatric) and location.

Telehealth

Many genetic counselors now offer telehealth appointments, which can be particularly helpful if there are limited options in your area. Telehealth sessions follow the same structure as in-person visits and are equally effective for most prenatal and preconception consultations.

Insurance Coverage

Most insurance plans cover genetic counseling when it is recommended by a physician. Coverage for elective preconception consultations varies. Ask your insurance provider about your specific plan, and ask the genetic counseling office about self-pay rates if needed. Sessions typically range from $150 to $400 out of pocket.

The Value of Non-Directive Guidance

In a medical system that can sometimes feel rushed or directive, genetic counselors stand out. Their training emphasizes meeting you where you are, providing complete and accurate information, and supporting your autonomy. They will not pressure you to test or not test, to continue or not continue a pregnancy, or to make any decision before you are ready.

That kind of support is especially valuable during pregnancy, when emotions run high and the stakes feel enormous.

Finding Prenatal Support on BAABY

If you are considering genetic counseling or any form of prenatal genetic testing, BAABY's provider directory can help you find OB-GYNs and prenatal care specialists in your area. The right care team will connect you with genetic counseling resources and support you through every step of the process.