Dear in pregnancy,Itching in breast is normal, due to harmonal changes, fat deposit, and preparing your body for childbirth and lactation, follow these steps it might be helpful in reducing itching...
To get rid of itchy breast, apply moisturizer will give you better releif,for best results you can go for natural based products,will be effective
Aloe Vera gel
Aloe Vera are known for its best moisturizing effect,and it do wonders in reducing itching,so you can apply aloe Vera gel will reduce itching.
It is essential to drink atleast three to four litres of water in a day,can also include juice,soups,will help to flush out toxin ,controls itching
You can make an ice bag with muslin cloth,and gently massage on breast will help in controlling itching
please don't scratch or rub your breast, because it may worsen itching,it is better to apply coconut oil ,it act as a natural moisturizer too,can also avoid harsh soaps ,can go for herbal bath powder,will be effective