Yeast infection affecting cycle?

Hi ladies just looking to hear your thoughts. A few months ago I broke up with my boyfriend and moved away from him. Since then my work schedule has changed, I'm stressed of course, I have found a new partner, and we've became intimate. Within the past month I've had two yeast infections.. (The second could have been a continuation of the first). Neither were insane but both were definitely an upset in my PH. Would you expect them to have been from the new partner or from lifestyle changes? I'm due for a period in 3-4 days and I feel differently than I have the past few months too (DONT FEEL PREGNANT) just that my hormones are different or off maybe? Anyone end up late for a period because of stuff like this? Any time before now that I've had a yeast infection it's been because of pads or tampons during my period so I'm not sure what to expect.