Hormonal control in pregnancy Flashcards
1
Q
1st trimester (1st three months)
A
Embryo is implanted and placenta produces hCG to maintain corpus luteum in the ovary alive, to continue producing progesterone and oestrogen.
2
Q
2nd trimester
A
hCG lowers as placenta assists in producing oestrogen and progesterone
3
Q
3rd trimester
A
hCG is no longer produced as the placenta is fully developed.
Continues to produce progesterone and oestrogen