29weeks pregnancy-urgent help.

Hello im in my 29weeks of pregnancy... i was having constipation in my 24th week of pregnancy so my doctor suggested me to take duphalac syrup 20ml.. but i use to take 15ml few days bowel movements are easier in the morning and only one.. gradually bowel  movements increased to twice a day so i reduced the dosage to 10ml then for few days there is 2 bowel movements  and few days there will be only once a day...now its is been a week im getting 2 bowel movements a day (say type 5 stool) after coming from toilet i feel  exhausts n even very hungry.....after flushing i can be able to see some food particles in the toilet did i develop mild diarrhea or food is not digesting properly? Im also on medication susten 300mg, duvadilan 10mg along bñ calcium and iron tablet shal i stop duphalac ans see or should I contact doctor immediately?