Which hormone is known as the pregnancy hormone?

In a urine analysis,the presence of which of the following indicates pregnancy?

Identify the figure shown below.

Epiboly is the process of

$A$: Placenta is connected to the embryo through an umbilical cord which helps in the transport of substances to and from the embryo.
$R$: Placenta acts as an endocrine tissue.

By the end of which week of pregnancy is the body of the fetus covered with fine hair,eyelids separate,and eyelashes are formed (in $weeks$)?