Prenatal Test Detects Cancer - KTVN Channel 2 - Reno Tahoe Sparks News, Weather, Video

Prenatal Test Detects Cancer

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A prenatal blood test came back abnormal when Marin Mejia was pregnant with Owen.  The noninvasive prenatal test picks up DNA from the mother and the baby.

Further testing showed the baby was healthy.

"The doctor said so there's still that abnormal result from the test we need to look into."

Marin was 39 and having bleeding she blamed on hemorrhoids.

Tests later showed she had anal cancer.

A new study from Tufts Medical Center shows these widely used prenatal tests can detect cancers in pregnant women. Researchers looked at eight women with abnormal results.

"If there is cancer the tumor is shedding DNA into the mother's blood as well and that is what is accounting for this imbalance,” says Dr. Diana Bianchi.

Marin's advanced cancer spread to her lymph nodes and lungs.

Doctors delivered Owen at 32 weeks so she could start chemotherapy and radiation. 

"I am thankful for every minute I get to spend with them I just, I refuse to believe that there's going to  be any other outcome than it's all going to be okay because the alternative is unfortunately not something I want to think about."

The cancerous nodules in her lungs are shrinking and she hopes for more good news after scans later this summer.

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