The most authentic opinion is that normal vaginal discharges are pure and do not affect wudhu. (website)
Kindly reference the following link(s):
Is wudoo’ invalidated if some wetness comes out of the vagina? (IslamQ&A)
The discharge of women
Does white discharge of woman break her wudu & does she have 2 change her undergarment
Does the continuous & usually colorless vaginal discharge affect wudu?
Ruling on women's discharges / White, Yellow & discharge due to infections
When should one check underwear for discharges? | Sheikh Assim Al Hakeem
I always check before praying if I have emitted Prostatic fluid, Madhiy, is this ok?
Excessive sweat leaves a smell & traces of color on underwear ( purity issues )