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A pregnant woman who was moments away from giving birth prompted a high-speed pursuit recently when police observed the vehicle she was in traveling at a high-rate of speed on an Iowa highway in the middle of the night.

Ben and Rachel Kohnen were on their way to the hospital around 2 a.m. on Tuesday when the woman realized that the baby’s arrival was imminent, KTLA sister-station WHOTV reported.

Not wanting their fourth child to be born in the car, Ben Kohnen sped up. He estimated that he was going about 85 mph in a 55 mph zone when he passed a police vehicle

“He starts following me and he turns on his lights. And my wife says, ‘We can’t pull over. The baby is coming now,'” Ben Kohnen told the television station.

He listened to his laboring wife and kept driving.

When they reached the outskirts of Fort Dodge, the officer pursuing them called for a back-up, according to WHOTV. Meanwhile, the couple called 911.

“By then it was too late, because they had thrown out the tire spikes,” Ben Kohnen said.

Finally stopped, the couple got out of their car where they were surrounded by officers who had their guns drawn.

“I was in the middle of the highway having contractions with guns pointed at me,” Rachel Kohnen told the TV station.

When officers realized what was happening, they didn’t arrest the couple. Instead, they gave them a police escort to the hospital, where Rachel Kohnen gave birth to a nearly 10-pound baby girl named Hazel about an hour later.

Both mother and baby were doing well.

Police said they haven’t filed any charges against the couple, the station reported.