Is tea tree oil used topically for a yeast infection safe during pregnancy (if diluted)? anything else recommended? hasn't gone away for weeks with tx

Other issues: I would check for other things such as gestational diabetes if you have recurring or non responding yeast infections.

Yeast: Tea tree oil is known for its disinfecting capacity, but usually not for fungal infections. Please review with your ob/gyn to discuss safe alternatives. Plus tea tree oil is vary caustic on skin, especially very sensitive skin such as the labia.