Value of CA125 and Yolk Sac Morphology in Prediction of Pregnancy Outcome in Threatened Miscarriage

Inclusion Criteria: * pregnant women between 20-40 years. Pregnancy between 6-10 weeks. single intrauterine spontaneous pregnancy. vaginal bleeding or bloody vaginal discharge with or without pelvic pain for patients with threatened miscarriage. Exclusion Criteria: * medical disorders with pregnancy. History of recurrent miscarriage. Any maternal disease that would cause an increase in CA125 level. Local gynecological disorders e.g. fibroid. Presence of any uterine malformation. History of congenital abnormalities in previous pregnancy Presence of multiple pregnancy. Presence of anembryonic sac. Absent fetal heart pulsation.