Vaginal Progesterone Versus 17-Alpha-Hydroxyprogesterone Caproate in Placenta Previa

Inclusion Criteria: * Gestational age 26-28 weeks of gestation. * Definite and reliable diagnosis of placenta previa (defined as the presence of a placenta within 2 cm of the internal os), using a transvaginal ultrasound scan Exclusion Criteria: * Multiple pregnancies. * Women at high risk of preterm labor e.g. history of spontaneous preterm labor or preterm prelabour rupture of the membranes (PPROM). * Severe antepartum hemorrhage and/or hemodynamic instability that necessitates urgent -intervention and delivery. * Women who have been maintained on progestin therapy since early pregnancy for whatever reason.