Several hormones like $hCG, hPL$, estrogen, progesterone are produced by

Except endocrine function, what are the other functions of placenta.

It is structural and functional unit between developing embryo (Foetus) and maternal body

Which of the following organ is differentiated first during development ?

Mammalian placenta has minute finger like projections called

From where the parturition signals arise-mother or foetus ? Mention the main hormone involved in parturition.