I am in my 36th week and suddenly i start getting some itchings which is similar to ant bite and after some time it is getting disappeared without any trace, but this is there all over my body very frequently i get so..this is there for 2 weeks now. WHen i went for my weekly ckup dr. adviced to take blood test and based on the result she will advice further..but i need to understand what will be the real problem.