Like I said I'm five weeks pregnant and doing .33 mg of subutex a day. I want to know if I can quit taking it without harming the baby?

This is something best discussed with your doctor as he/she knows your medical history, and your general health. It's really not a good idea to get medical advice online.

Good luck.

As Alty said, speak to your doctor before making any changes. For some medications, and Subutex is one of them, the benefits of continuing them can outweigh any potential concerns. Sometimes an alternative can be recommended as well depending on the situation.