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Obstetrics and Gynaecology

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If you're a medical student seeking comprehensive, well-detailed, and meticulously crafted essays and notes, look no further. Our collection covers a wide array of essential topics in obstetrics and gynecology, tailored specifically for your academic success. Each essay delves into intricate detail...

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  • July 22, 2024
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1)Anatomy and physiology of the placenta

 Placenta= organ that develops during pregnancy. The structure provides O2 and
Nutrients to the growing baby. It removes waste products from the baby’s blood.

The placenta attaches to wall of uterus and umbilical cord arises from it. The
placenta is the meeting point of two circulatory systems: fetal circulation and
maternal circulation.

The maternal component of the placenta contains maternal arteries and
maternal veins that feed into the intervillous spaces. On the opposite side, the
umbilical arteries and veins form a tree-like structure within the intervillous
space. Here, the fetal and maternal blood comes into close contact separated




Definition Circular, discoid-shaped organ
that develops in the uterus
during pregnancy and allows
metabolic exchange between
mother and fetus


Portions Fetal portion: chorion
frondosum
Maternal portion: basal decidua
Surfaces Fetal surface (chorionic plate)
with umbilical cord
Maternal surface (basal plate)
Functions Fetal respiration, nutrition and

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