Tattoo while pregnant?

Anyone gotten a tattoo while pregnant? I ran into an online argument where some said it was ok after the second trimester and others (non tattooed moms) opposed the whole thing completely, during pregnancy and months after. There is no proof that it could be harmful for the baby... They just had extremely uneducated opinions (like alledging that tattoos always get infected/a lot of needles are HIV infected ) 
Any mamas with tattoos they got during pregnancy? I'm extremely curious now!