Neo Penotran Vaginal Suppository

I'm 30 weeks pregnant nung niresetahan ako ng OB ng suppository with the name above as treatment for bacterial vaginosis, she was actually the second ob na pinuntahan ko, pero yung basis nya ng pag prescribe ng medicine na to is based sa result ng papsmear test ko from my first OB from a different clinic which was treated with oral medication of metronidazole for 7 days. I told her naman na nag-take na ako ng gamot for it before like nung time when the results just came in and I was like just 5 months pregnant that time. She just said that this is her way of treating patients and that other OB's way is different daw... Ang mahal ng gamot na to and I just tried it now... I'm currently 33 weeks na... Pinag ipunan pa namin na mabili pero I'm really doubting na need ko pa to.. Sino po nakaka alam ng efficacy ng treatment na to? Should I continue this for a week or just stop... Wala naman akong itching or anything na nararamdaman prior to buying this suppository, I'm just worried lang kasi yung discharge ko is kinda yellow recently and smells a lil off... Pero Di kasi ako mapanatag talaga... Pa help po 😣😣😣