Hi my wife is 9 week pregnant she get missed abortion what is the reason I don't know. No symptoms no bleeding. Still this is 3rd time what is the problem please tel me anyone 2nd scanning report is antenatal scan-early gestation urinary bladder: well distended. Contents clear uterus: shows an intrauterine irregular gestational sac with a single foetal pole and yolk sac. Foetal cardiac activity absent c.r.l 15 mm corresponding to 6 weeks 2 days cervical length: 30 mm both ovaries are normally imaged. Impression: missed abortion.