Breast

I was about to jump in the shower and I took off my brah and I seen white things coming out of my nipples I took it off and when I squeezed my boob clear liquid started coming out then I squeezed again and white started coming out then I squeezed again and clear came out and I tried again and no more came out ? what is this ? can someone tell me ? and I'm on my period // this has never happen to me when I been on my period