Yes, thin milky white discharge is totally normal in the second trimester. Just wear breathable cotton underwear and avoid using any scented products down there.
It is generally very normal due to high estrogen levels. Just keep an eye out to make sure it's not thick, itchy, or smelly, and mention it to your gynac during your checkup.
My mother said it's body heat and told me to drink tender coconut water, but my doctor confirmed it is just normal pregnancy discharge. Don't worry unless there is itching or bad smell.
