Swelling at 24 weeks 6 days

Breanna • Happily married to my highschool sweathrarr.Mother to a 2 year old amazing little boy named Alexander. Expecting our little girl on October 13, 2016
So today im 24 weeks 6 days. I have noticed for about a week now swelling in my vaginal area and today after a week of the swelling it is now itching. Is this normal? What can i do? Has any one else experienced this ?