Yes, I had this happen to me too. They told me that the pregnancy causes a lot of things think that to go out of whack. Check it again after you are six weeks postpartum to make sure it goes down. Hopefully, mine will be normal when I go back after my six weeks check up in two more weeks.
I saw your post and I just wanted to tell you that the pregnancy whacks all these numbers out. My primary does not do blood at all while I'm pregnant, because he says he would not get accurate readings until after I deliver. So I will not get my yearly blood work done until I am maybe 2 or 3 months postpartum. Don't let it bother you. This is why he says routine blood should never be done during pregnancy unless of course they are looking for something special like blood counts and stuff.