Abstract
The placenta is a highly specialized tissue that serves a number of crucial functions for survival of the foetus. It allows the foetus to receive oxygen and nutrition before it can breathe or nourish itself. The placenta releases multiple hormones that initiate and maintain the essential changes of pregnancy in both the mother and the foetus. (1, 2)The normal human placenta averages 22 cm (9 inch) in length and 2–2.5 cm (0.8–1 inch) in thickness, with the center being the thickest, and the edges being the thinnest.
Highlights
The placenta is a highly specialized tissue that serves a number of crucial functions for survival of the foetus
It was confirmed that previous caesarean section increases the risk of placenta praevia and the risk is proportional to the number of previous uterine scars
One of the factors highly associated with Placenta praevia was previous CS, where the rate of PP increased with the number of previous caesarean sections
Summary
The placenta is a highly specialized tissue that serves a number of crucial functions for survival of the foetus. [1, 2]The normal human placenta averages 22 cm (9 inch) in length and 2–2.5 cm (0.8–1 inch) in thickness, with the center being the thickest, and the edges being the thinnest. It typically weighs approximately 500 grams (1 lb). It has a dark reddishblue or crimson color It connects to the fetus by an umbilical cord of approximately 55–60 cm (22–24 inch) in length, which contains two umbilical arteries and one umbilical vein. [46] It has been observed that survival and growth of the fetus is affected by different aspects of the placental morphology, and its efficient functioning. Obstetrical haemorrhage continues to be an important cause of maternal mortality, accounting for
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