Mama, any unusual discharge o chest pain during pregnancy needs a doctor's check, please don't wait, go to your OB or ER agad if it's worrying you.
I know it's scary, lalo na in the early weeks, but honestly ang safest route is to let your doctor see you in person, they can check what's really going on at your gestation. A few of us moms have been through uncertain moments early on, and every time we thought, "better safe than sorry," yan talaga ang right call. Thinking of you, and please get checked out soon, okay?