Had Bloody Discharge

Hello please help me. I had bloody discharge earlier lang mga 5pm. Tapos kaninang morning bandang 11am first time to experience I.E. anong indications po bakit mag bloody discharge? I contact my OB na pero sabi niya observe lang daw but I need your experiences here to be shared. 37 weeks and 4 days. First time mom here 🤰🏼🤰🏼🤰🏼