Going crazy need advice please😭

Taylore

Today I am 10 dpo I confirmed ovulation with a clearblue digital ovulation test. I woke up and was bleeding. It just so happened I had an OBGYN appt to check for an infection today so I brought it up to him. He wants me to take a pregnancy test in one week to see if this is caused by a pregnancy my test today at the doctor was negative. I really dont think I am pregnant and after doing my own research it seems like my luteal phase was too short. My period has been really light today too. My doctor didnt seem concerned that my period came at 10dpo. Basically what I am asking is do you guys think I should get a second opinion? Or is a 10 day luteal phase okay to have? I'm just concerned that my uterine lining isn't filling up like it's supposed too.