Vaginal Discharge While Pregnant

Does vaginal discharge is harmful to the fetus and Womb ...? 
It is generally a mother who undergoes a pregnancy is always wary of anything that would harm the fetus. Including the mother experiencing vaginal discharge. 
This disorder can be due to the estrogen hormones. But if still in dilute and clear content, not color or smell it is still normal. And this fluid will multiply during pregnancy and disappears by itself after birth. 
But if it was already smelling whitish fluid, viscous and colored then this should look out for. Because it can interfere with the pregnancy mother like chlamyda infections that cause miscarriage, candida yeast infection that causes epilepsy, the herpes virus or bacteria that could infect the baby gonorrhoeae, leading to blindness. 
There is already a cure for this disease, please check to the doctor to get proper treatment, do not recklessly purchase drug store. About the myth of his later flawed due to this, all of that whiteness has not been proved because it requires further medical research.