Am I really being rude or ungreatful?

Heather • Mommy of 💙💓💓💓💓👼👼

My youngest sister can not conceive naturally. She lost both her tubes due to Eptopics. This morning I was talking about getting my tubes tied cause this is my 4th! She went nuts and said if I did that made me extremely selfish. She was all like you are willing to end your God given fertility??? She has no clue I'm pregnant with my 4th! Is is really wrong of me?