Hi, I Am 34 Years Old. It's My 7th Week

Hi, I am 34 years old. It's my 7th week of pregnancy running for the last three days bleeding is thr from vagina. Doc has suggested me to take tsb pause 500 for five days. Today is the third day n bleeding has not been stopped till now. Let me know if anything to worry about. Also scan report says that fetal pole can be seen n yolk sac is there.