Pregnancy test!

I had a miscarriage MAY of 2019 we're trying to conceive again this last 5 months and january I feel really nauseated and I missed my period for like 3days so I ask my brother to buy me a Pregnancy Test and test it After lunch C is clear red line but the T is red faint line so we took another test but waited about 3 Days just to be sure and we had 2 red line now and I'm having abdominal pains for about 2 days now is it normal or should I go to my OB now?