<P> In contrast with amateur boxing , professional bouts are typically much longer and can last up to twelve rounds , though less significant fights can be as short as four rounds . Protective headgear is not permitted , and boxers are generally allowed to take substantial punishment before a fight is halted . Professional boxing has enjoyed a much higher profile than amateur boxing throughout the 20th century and beyond . </P>
<P> In contrast with amateur boxing , professional bouts are typically much longer and can last up to twelve rounds , though less significant fights can be as short as four rounds . Protective headgear is not permitted , and boxers are generally allowed to take substantial punishment before a fight is halted . Professional boxing has enjoyed a much higher profile than amateur boxing throughout the 20th century and beyond . </P>
how many rounds in a professional boxing match
how many rounds in a professional boxing match
twelve
twelve