Determine if the sentence is true based on the text below:
The unborn baby girl was the cause of the incident.

Milford police have arrested a local man who is accused of threatening to harm an unborn child. Police said they responded to a home on Wepawaug Drive Monday to investigate a possible domestic violence incident and arrested 18-year-old Joshua Armstrong. Police said he was accused of threatening to harm the unborn child of a female inside the home and grabbed the victim by the collar of her shirt. Armstrong was charged with second-degree threatening and disorderly conduct. He was released on a promise to appear in court today.
It's impossible to say