Bacterial Vaginosis (BV): This is the most likely diagnosis given Connie's symptoms of dysuria and malodorous vaginal odor. BV is a common condition characterized by an imbalance of the normal vaginal flora, leading to an overgrowth of bacteria that can cause a strong, fishy odor and discomfort during urination.

Vaginal Yeast Infection: Although yeast infections are more commonly associated with itching and a thick, white discharge, some women may experience a strong odor and dysuria, making it a plausible diagnosis.
Trichomoniasis: This sexually transmitted infection can cause a foul-smelling vaginal discharge, dysuria, and irritation, which aligns with Connie's symptoms.
Urinary Tract Infection (UTI): While UTIs primarily cause dysuria, a strong-smelling urine can sometimes be mistaken for a vaginal odor, especially if the infection has spread to the kidneys or if there is an associated vaginal infection.

Pelvic Inflammatory Disease (PID): Although PID might not be the first consideration based on the symptoms provided, it is crucial not to miss this diagnosis due to its potential for severe complications, including infertility and chronic pelvic pain. PID can cause a variety of symptoms, including pelvic pain, abnormal vaginal discharge, and dysuria.
Cervical Cancer: While less likely to present with these specific symptoms, advanced cervical cancer can cause abnormal vaginal discharge and pelvic pain. Given the potential severity of this condition, it should not be overlooked.

Desquamative Inflammatory Vaginitis (DIV): A rare condition characterized by a purulent vaginal discharge and significant inflammation of the vaginal walls, which could potentially cause a strong odor and dysuria.
Foreign Body in the Vagina: Although more common in children, a forgotten tampon or other object in the vagina can cause a strong, foul odor and potentially lead to infection, making it a rare but important consideration in the differential diagnosis.