when to remove body piercings during pregnancy

Nicole 🦄 • First time mommy to a sweet prince due January 7, 2018 🍼🤰🏼👼 Mommy to one fur child named Rosey (16 y/o) 🐶
Ladies,
Need some advice. I have two belly rings, nipples and a piercing down below and was wondering when is the best time to remove my nipple rings. I am 9 weeks today. Just curious to see if anyone else has piercings other than the belly.