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Last week the state of California arrested a man linked to serial murder and rape in the 1970s and 1980s due to DNA evidence. While using DNA in criminal investigations is not necessarily new, this case is unique in that the DNA of a distant relative of the suspect was…


Last week the FDA made headlines by authorizing the genetic testing company 23andMe to perform testing for two genes associated with hereditary breast cancer, BRCA1 and BRCA2. …


I’ll never forget the day I met a man with untreated PKU. PKU, also known as phenylalanine hydroxylade deficiency, is a genetic condition that occurs when someone cannot process the amino acid phenylalanine. This is a protein component found in meat, fish, eggs, milk and cheese and is even added…


I can admit, 100% selfishly, that I love it when people learn the sex of their baby prenatally. Why? Because, as a genetic counselor, many times I get to be the one to tell them! It’s almost exclusively a beautiful and happy experience and if they start to cry, I…


Part 1: It’s not all about abortion.

For many people deciding about prenatal testing, their decision comes down to the answer of one questions, “Would I do anything differently if I knew the baby had ____?” As a genetic counselor, it’s my job to help people answer that question.

When…


When I stumbled upon the piece “Realistic Birth Announcements” by Riane Konc in the New Yorker last week, I knew I needed to share it with all of you! My favorite line is…

“On September 8th, my wife brought baby Jax into the world. I love him more than I…


When I came across this video in my Facebook newsfeed this morning, I was compelled to write about it. Carrier screening is something that I feel so passionately about, but too few people even know it exists. …


One of the most common reasons I meet with a client is because a woman will be 35 or older when she has a baby. This gives a woman the less than sensitive label of “advanced maternal age,” or as some even call it, “elderly maternal age.” These clients make…


Hello! My name is Erin and I am a prenatal genetic counselor based in Denver, CO. I sit on HumanCode’s Advisory Board and have the pleasure of working with the team as they develop their products. …

Erin O'Toole

I am prenatal genetic counselor who loves to help people explore their genetic information and prepare for their growing families.

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