Where to Use Underwent?

Surgery on the right ear diminished but did not completely abate her symptoms, so she underwent surgery on the left ear. All premenopausal women who underwent hysterectomy and bilateral oophorectomy were given hormone replacement therapy.

How do you use the word underwent?

1. I underwent aversion therapy for my addiction to smoking. 2. He underwent a three-hour heart operation.

Is it correct to say underwent?

Underwent is the past tense of undergo.