Fetal Abdominal Edema

Has anyone experienced fetal abdominal edema during an 11-12 week ultrasound?? I am 11w4d today and doc said baby had some fluid under its skin on the belly. Dr. Google is making me think the worst, but there's no other issues which are presented in the articles I've read. I'm assuming since there's nothing else, it's probably nothing but wanted to see if anyone else has experienced this. I pray my baby is ok!!  We've gone through the ringer and back to have this baby!