I will advise you to do a blood pregnancy test in 7- 14 days to be sure. From your description, you spotted for 2 days before your period flow. If it was pregnancy, the light blood would have probably stopped in 2 days Maximum. I would have argued it was implantation Bleeding. Read more about implantation bleeding online.

Try to detoxify your system first, as long as you both do not have any health issues, detoxify and let God do the rest. It worked for me after 3 years of waiting, so I pray it will also work for you