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Heather Fisher, M.S.

Can you test for autism during pregnancy? What you need to know

Genetic testing for autism during pregnancy isn't conclusive for autism since no single gene causes the condition. However, certain genetic conditions linked to autism can be identified.

Should you test for MTHFR gene mutation while pregnant or after miscarriage?

Uncover the facts about the MTHFR gene mutation and its myths. Find out why it’s not linked to miscarriage and how folate supports a healthy pregnancy.

What does it mean to be a carrier for fragile X syndrome?

Learn what it means to be a carrier for fragile X syndrome, the genetic risks, and how to seek genetic counseling to support your family’s health.

Is giving birth to twins genetic? Well, that depends

Is having twins genetic? Our expert Ob/Gyn genetic counselors tell you everything you need to know about the surprising genetics of twins.

Is genetic screening recommended during pregnancy if you’ve had IVF?

Even if you get preimplantation genetic testing with IVF, pregnancy is a blank slate. Learn why you might still want genetic screening during pregnancy.

How does a father’s age affect fertility and a baby’s health?

How can a dad’s age affect fertility? Explore potential age-related risks to sperm health, pregnancy, and the baby’s future health.

Can genetic testing explain the cause of recurrent miscarriages?

Half of all miscarriages are caused by chromosomal abnormalities. Leen Al-Hafez, M.D., and Heather Fisher, M.S., discuss when genetic testing might be valuable after a miscarriage.

Amniocentesis and CVS: FAQs about the prenatal diagnostic duo

Chorionic villus sampling and amniocentesis provide definitive answers about a baby’s genetics before birth. Learn about these safe, quick procedures.

What noninvasive prenatal testing can (and can’t) tell you about your baby

Noninvasive prenatal testing (NIPT) screens for chromosomal abnormalities before birth, and the terms you’ll see in the results can be scary. Get definitions for common terms in this Your Pregnancy Matters blog.

Planning for pregnancy? Peek into your genetic compatibility with carrier screening

Planning for pregnancy? Your DNA can provide insights into your future baby’s health. Explore genetic carrier screening with genetic counselor Heather Fisher, M.S.