Mass??

Shamya • Army wife of 6 boys and a girl😊
Hi I was 17 weeks and lost the baby the dr. Says in the ultrasound that there was a white mass around the baby.? When I had my D&C the cord was wrap around his neck. That was in April I am now 5 weeks pregnant. And 38 year old But very scared for the baby I have 6 boys. So what was the mass around the baby???