IUD change and sex

I had my copper IUD replaced yesterday... the old one was removed and a new one was inserted right away, does it start working in preventing a pregnancy right away? I forgot to ask my dr and he's not returning my calls.

TIA

Quoting Lil Dude's Mamma:" I had my copper IUD replaced yesterday... the old one was removed and a new one was inserted right away, ... [snip!] ... away, does it start working in preventing a pregnancy right away? I forgot to ask my dr and he's not returning my calls. TIA"

yes