Which of the following hormones is not a secretory product of human placenta?

Placenta is the region, where

All of the following statements concerning pregnancy are accurate $EXCEPT$

$A$ : If fertilization occurs, the corpus luteum is rescued from regression by human chorionic gonadotropin, which is produced by placenta.
$R$ : In first trimester the corpus luteum stimulates by $hCG$ is responsible for the production of progesterone.

In Human beings, at the end of $12$ weeks (first trimester) of pregnancy, the following is observed