Yung lochia (postpartum bleeding) usually tapers off around 4-6 weeks, pero 12 days pa lang ay normal pa naman, lalo na kung hindi ka gaano kasakit at wala namang unusual clots, pero alam mo, better safe than sorry, kaya best to message your OB or check with your midwife just to be sure, especially if tumaas yung dugo or may fever ka na. A few of us moms I know had bleeding go longer depending sa delivery type, pero yung OB talaga ang makakasabi kung okay lang or kailangan i-monitor pa.