Which of the following hormones is not secreted by human placenta?

1. hCG                                               

2. Estrogens

3. Progesterone                                   

4. LH


NEETprep Answer: 
(d) LH-Lutenizing Hormone is produced by anterior pituitary gland. The placenla is an organ thal connects the developing embryo (foetus) and maternal body (uterine wall) to allow nutrient uptake, waste elimination and gas exchange via the mother's blood supply.
Placenta also acts as an endocrine tissue and produces several hormones like Hurnan Chorionic Gonadotropin (nCG), Human Placental Lactogen (hPL), estrogens, progesterone, etc.