Which of the following extra-embryonic membrane becomes incorporated into the umbilical cord?
a) amnion
b) chorion
c) allantois
d) yolk sac
Which of the following extra-embryonic membrane contributes in circulatory system?
a) amnion
b) chorion
c) allantois
d) yolk sac
Which of the following extra-embryonic membrane surrounds the embryo and mingles with the endometrium to form placenta?
a) amnion
b) chorion
c) allantois
d) yolk sac
Which of the following is the source of progesterone in later stage of pregnancy?
a) corpus luteum
b) endometrium
c) placenta
d) chorion
Which of the following is the pregnancy detecting hormone in early days?
a) estrogen
b) hCG
c) LH peak
d) progesterone
The umbilical cord is physiologically and genetically part of the …….
a) foetus
b) mother
c) both
d) none of them
