I had my dental and hygienist appointment today, I said I was pregnant and they already knew and said I wasn't sure about laying down on back even though only 18 weeks but seriously I was on my back for 20 to 25 mins and I felt the baby move the biggest movement I have felt and then nothing I am so freaking out that blood flow and oxygen had stopped getting to the baby? I have tried to call the midwife but I swear she will think I'm a crazy person for worrying so much.