Momshie, please call your OB agad or go to the hospital para ma-check properly, better safe than sorry lalo na may blood sa discharge, kahit papano lang.
Hindi ako dapat mag-diagnose, pero alam ko maraming reasons bakit may discharge ganyan, at kailangan talaga ng doctor para ma-assess kung okay lang o may kailangan i-address. A few of us moms nag-experience ng similar at lahat pinag-check ng OB immediately, it gave us peace of mind, at alam namin exactly ano gagawin next.
Your OB's advice to monitor is good, pero since may blood at medyo marami pa, I'd really push to get checked in person today. Wag maghintay lang. You're almost there na, ate, malusog kang mama is what matters most!