Uy, mommy, I know kaka-anxious ka na, pero please call your OB right away or go to the hospital if it gets worse, okay? Brown discharge with cramps and diarrhea can mean different things, at kailangan niya makita ka personally para masiguro.
A few of us moms experienced similar things before labor, pero iba-iba talaga. Better safe than sorry, lalo na malapit ka na ng due date mo! Keep your OB posted agad, ha.