Terrified of another big baby...

I'm nearing the end of my third pregnancy and I am starting to realize that I am becoming very anxious about the labor with this baby. In every ultrasound after 23 weeks my baby girl has measured about 1-2 weeks ahead (I've had quite a few ultrasounds due to cervical issues). The doctor hasn't said anything, but I'm worried about having a very large baby. My last was over 8 pounds and I ripped from end to end and out the side and they had a very hard time stitching me up. Recovery was very difficult. My husband gets mad when I say I worry about her being big because he said I should only worry about her being healthy, but she has been perfect every ultrasound and I can't help but be anxious. I've had anxiety for years and the anxiety about this only increases the closer I get to the end. I don't know if maybe hormones are coming in to play or something...im just anxious...any advice, please?