Tubal ligation or IUD after pregnancy?

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I'm going back and forth between tubal ligation and and IUD after this pregnancy. I always saw myself having 3-4 kids but I'm pregnant with #2 on the way and I'm considering being done. Has anyone or is anyone planning a tubal ligation after your pregnancy? What are your biggest factors that influenced your decision. For anyone who has had an IUD, what was your experience like, would you do it again, do you recommend it? Obviously I know I need to make this decision I am just looking at different perspectives.