I had some red spotting after sex over 3 weeks ago and was put on pelvic rest by my obgyn.  We had our first ultrasound last week, baby looked great, heart rate was strong and was measuring around 8 weeks.  But doctor called and said they spotted a small sch (subchronic hematoma) and that I should remain in pelvic rest until further notice. She wasn't concerned about the size but I can't help but worry.  Has anyone else been diagnosed with a sch? What was your experience?