when you say spotting does this mean with fresh blood and clots? or just pinkish slight bleeding which stops after a while? i had this twice and i m only 5 weeks and few days. one when i was about to start my menstrual cycle and 2nd when i was suppose to ovulate. i got really badly scared so i ran to emergency thinking i am having a miscarriage or i have ectopic pregnancy. when i went there i had my scan done and guess what everything looked fine. my midwife said as long as its pinkish with discharge no clots or fresh blood or heavy bleeding u r ok. because ur body try to stop u having a menstrual cycle as u r pregnant so light blood appears which should disappear after a while. i started light pinkish discharge 2:00 pm till 5:00 pm and then eventually it stopped and when they did my internal check up there was no blood. so i would recommend if you think its heavy just go to emergency asap. still if you are concern u should see ur doctor.
I spotted everytime my period was due up until I was 5 months. I'm now 34w 2d. If your worried see a doctor to check everything is ok. Good luck