Metronidazole and 1st tri

Jasmine

Hey ladies. I’m 6 weeks 5 days pregnant and I have BV. My doctor prescribed me metronidazole 2 tabs a day for 7 days. I also have some metrogel that I never had but it’s still in date. My OBGYN says not to use metronidazole until 2nd tri but I have to do something about this smell and discharge. Is the gel safer for baby?