A Florida woman is accused of having sex with her daughter's ex-boyfriend, who's a 15-year-old boy.

According to police, the teen told his parents he had been in a sexual relationship with Heather Phillips, 40, of Port St. Lucie.

Police said they had sex on several occasions. The teen reportedly came forward after Phillips told him she was pregnant.

Police said Phillips admitted to having sex with the teen, but said she was only joking about the pregnancy.