The state medical examiner's office said a Garner woman had a seizure when her sport utility vehicle crashed into a pond, killing her and her 1-month-old daughter.
Danielle Harper, 27, and her 1-month-old daughter Micayla died when their SUV veered off the road Friday morning.
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The state medical examiner's office said it appears Harper had a seizure and that she did not have any medication in her system. Her family said Harper was on medication for epilepsy and that she had not had a seizure in years.
Investigators also said that a check of Harper's SUV did not show any signs of mechanical problems.