(i) Human chorionic gonadotropin (hCG) (ii) Human placental lactogen (hPL) (iii) Oestrogen and progesterone (iv) Relaxin
A) (i) and (ii)
B) (i), (ii), (iii) and (iv)
C) (iii) and (iv)
D) (i), (ii) and (iii)
Correct Answer: B
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