ivf and suboxone

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Hey everyone! Has anyone ever done <a href="https://glowing.com/glow-fertility-program">ivf</a> while on suboxone? I'm just starting but my RE is insisting I come off. I'm on 1.5 mgs a day and have had a hard time going any lower. My sub doc who used to be an OB says he doesn't see a problem with me being on this dose and doing <a href="https://glowing.com/glow-fertility-program">ivf</a>. He said we would switch to subutex before the transfer. While I would love to not be on this med while pregnant I desperately want a baby and at 34 feel I need to get going sooner than later. 
Has anyone tapered successfully with minimal wd? Thanks in advance. I've also been on suboxone for 8 years.