IMPACT OF EXPECTANT MANAGEMENT OF ECTOPIC TUBAL PREGNANCY ON TURAL PATENCY AND FERTILITY : APPLICATION OF SALPINGOSONOGRAPHY AS A TUBAL PATENCY TEST Progesterone and Spread of Spinal Anaesthesia for Caesarean Seetion:tomparison Between Singleton and Twin Pregnancies Subclinical Thryoid Dysfunction in Female Patients with Secondary Infertility Cerclage Venus No Cerclage for treatment of Women at High Risk for Preterm Delivery Progesterone and Spread of Spinal Anaesthesia for Caesarean Section:i2omparison Between Singleton and Twin Pregnancies A CYTOLOGIC ,COLPOSCOPIC AND PATHOLOGIC STUDY Of THE LOWER GENITAL TRACT DURING PREGNANCY