Leaky boobs

When did your boobs start leaking during your second pregnancy? I noticed today multiple times that my nipples felt like they were leaking, and as I was about to get in the shower they were definitely leaking. I haven’t breast fed my may 18 baby in 3 months and they don’t usually leak unless squeezed.

I also just clued in that I’m a day late.

Could it be a period symptom or a pregnancy symptom?

I plan on testing tomorrow if I still haven’t started