Nipple piercings

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So I'm 9 weeks pregnant. This is my second baby. I had my nipples pierced last year. But I took them out about 6 months ago. I'm curious if they're going to leak. My breasts are swelling way worse this pregnancy. When I had my son I had problems making enough milk. But I don't think that'll be an issue this time. So my question lady's, did your nipples leak real bad? Does milk come out of the piercing holes? Did they leak during pregnancy? I'm really stressing this. Thanks in advance for responding. :)