Light Brown discharge

hello po. ask ko lng. im 27 weeks pregnant. last 2 weeks i was admitted kc nag spotting aq. pero super konti lng tlga. wla pating any contractions or cramps. pinag take aq ni ob ng isoxilan for 1 week and progesterone intravaginal for 2 weeks. after non follow up check up ko sa knya last Friday lng.. ngaun my discharge aq n light brown. minsan prang my hibla ngx corned beef pero wla nmn masakit sa akin.. iniisip ko bka dhil pagod nnmn aq.. kakalakad.. spotting nnmn kya ito. any advice pp mga momsh