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What is Placenta develops from and explain in detail?
Development of placenta: - Placenta has two components : Maternal & Fetal When the blastocyst attaches to uterus in endometrium, the endometrium is called as decidua which is of three types: - Decidua basalis , Decidua capsularis & Decidua parietalis. Fetus will also have some chorionic membrane developing leading to villi formation : Chorion Frondosum & Chorion laeve. Chorion laeve will disappear. Chorionic Frondosum persists & contributes to placenta along with Decidua Basalis .