Is it okay if I continue to breastfeed my 10 month old while I'm pregnant. And if yes is there any change to the taste of my milk and what it gives the child

Infant & Baby - Breastfeeding - Breastfeeding while Pregnant at Baby Corner

Here is a link that addresses your question.

I breast fed my first while pregnant with my second,
Make sure you eat really healthy--lots of fresh fruits and vegetables
Don't skip your prenatal vitamins and take omega or flaxseed oil.