Leaky boobs 🙄

Mama of 3 • Wife & Mama of 3 ASD supporter 🧩 2 princes🤴 1 princess 👸🏻 Coffee ALWAYS ☕️

Im pregnant with my first heading into my 28th week and tonight when I was undressing to take a shower I noticed my nipples had beads of this clear substance leaking out. What is this? I thought you didn’t produce milk to till days surrounding labor. Is this normal?