Comparison Between Treatments of Oligohydramnios

Inclusion Criteria: * Pregnant women with gestational age between 26-37 weeks * Pregnant women whose age is \< 35 years * Woman with other indication for elective caesarean section. * Women carrying a single fetus with no major anomalies. * Initial amniotic fluid index \<8cm determined by reliable pelivabdominal ultrasound. Exclusion Criteria: * Women complaining of other obstetric disorder such as, PPROM, preeclampsia, or diabetes. * Women with chronic illness such as, chronic hypertension, autoimmune disease or kidney disease. * Women who received other treatments for oligohydramnios in current pregnancy. * Women who smoke. * Fetuses with major congenital anomaly.