Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Color Doppler of CL and Uterine Artery With Serum Progesterone and CA125 in Threatened Abortion
Brief Summary: The purpose of this study is to determine whether assessing color doppler of corpus luteum and uterine artery is useful in predicting patients who will complete pregnancy. The investigators will add to this the usefulness of serum progesterone and CA125 in prediction.