Hormone control of pregnancy and birth

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DHEA Production
Can't be completed by the placenta. Instead occurs in the foetal adrenal cortex under the influence of foetal ACTH which in turn is driven by placental CRH
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CRH (Corticotropin Releasing Hormone) Pt 1
Produced by the placenta and acts on the mothers and foetus's Anterior pituitary to produce both cortisol for lung maturation and DHEA from the babies adrenal cortex (Precursor for Oestrogen).
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CRH Pt 2
A sudden surge in CRH is thought to act as the trigger for labour.
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Pulmonary Surfactant
A Lipoprotein (Surfactant) is present in the liquid film lining the alveoli of the lungs. It reduces surface tension, increases compliance and contributes to lung stability.
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HPL (Human Placental Lactogen)
Placental derived hormone that supports foetal well-being. Anti-insulin action in mother boosts available nutritional substrates.
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Relaxin
Produced by the corpus luteum and placenta. Results in the softening of the cervix (Dilation). Softening of ligaments of pelvis.
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Other cards in this set

Card 2

Front

Produced by the placenta and acts on the mothers and foetus's Anterior pituitary to produce both cortisol for lung maturation and DHEA from the babies adrenal cortex (Precursor for Oestrogen).

Back

CRH (Corticotropin Releasing Hormone) Pt 1

Card 3

Front

A sudden surge in CRH is thought to act as the trigger for labour.

Back

Preview of the back of card 3

Card 4

Front

A Lipoprotein (Surfactant) is present in the liquid film lining the alveoli of the lungs. It reduces surface tension, increases compliance and contributes to lung stability.

Back

Preview of the back of card 4

Card 5

Front

Placental derived hormone that supports foetal well-being. Anti-insulin action in mother boosts available nutritional substrates.

Back

Preview of the back of card 5
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