The persistence of corpus luteum during pregnancy is due to a hormone known as
Chorionic gonadotropic hormone
$FSH$
Estrogen
Progesterone
During pregnancy which of the following is secreted through urine of mother
Choose incorrect pair :
Delete odd one (Only during pregnancy).
The role of placenta is
Match the columns
Column $I$ | Column $II$ |
$(a)$ Third week | $(1)$ Development of pre umbilical code |
$(b)$ Third month | $(2)$ Body develops but head remains big |
$(c)$ Fourth week | $(3)$ Embryonic slit widens |
$(d)$ Fourth month | $(4)$ Muscles activate |