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Abstract Normal placental function and structure are required for normal growth and development of the fetus. Placental thickness is the simplest measurement of placental size and can be measured at any center equipped with ultrasound machine. The correlation of placental thickness with gestational age has been documented by many observers. So, The aim of the study is to detect the role of ultrasonographic assessment of placental thickness between 32 and 36 weeks of pregnancy as a predictor of fetal outcome. This study is a prospective observational cohort study that included 30 pregnant women attended out-patient clinic for A.N.C routine examination at 32 weeks and was followed up at 36 weeks and after delivery throughout the period from August 2018 to February 2020. In the present study there was a strong positive correlation between placental thickness and birth weight at 32 and 36 weeks. Also, normograms were defined for placental thickness. The neonatal outcome in terms of birth weight, Apgar score and neonatal ICU admissions was better in women with normal placental thickness than those with abnormally thin or thick placentae. This can be used to identify the fetuses at risk by identifying women with thin placenta (below 10th percentile) and thick placenta ([95th centile). In the present study, we observed increased incidence of perinatal morbidity in terms of low Apgar scores and increased NICU admissions in those with abnormal placental thickness, and our study showed increased incidence of low-birth-weight babies in women with thick placenta. |