I had surgery to open my fallopian tubes because they were blocked or narrowed.
I had a procedure to clear a blockage in my fallopian tubes.
こんにちは!
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
I had surgery to open my fallopian tubes because they were blocked or narrowed.
や、
I had a procedure to clear a blockage in my fallopian tubes.
とすると、「卵管が閉塞、または狭窄してたので、それを通すための[手術](https://eikaiwa.dmm.com/uknow/questions/33999/)を受けた」となります。
役に立ちそうな単語とフレーズ
fallopian tube 卵管
参考になれば幸いです。