A Toronto woman has filed a wrongful-dismissal lawsuit against her employer, claiming her pregnancy is what motivated the credit union to terminate her.Late last year, nine months after receiving a promotion at DUCA Financial Services Credit Union, Jennifer Marrello, 38, an employee for more than four years, was let go without cause. She says her dismissal on Nov. 8 happened a day after she left work early for an appointment at her doctor?s office.That...