MS-3648

A 42-year-old female arrives at the emergency department with sudden onset of drooping on the right side of her mouth. She is unable to smile on the right-hand side but can frown and lift her eyebrows. The patient has a medical history of asthma and has experienced four miscarriages in the past. She does not smoke and drinks alcohol moderately on weekends. Based on this information, what is the probable diagnosis?