Changes In Gland During Preg Flashcards
Sheehan syndrome
Sudden hypotension following PPH May cause infarction of pituitary gland which is very sensitive to blood during pregnancy
Pituitary gland hormones elevated during pregnancy
Gh Prl ACTH(does not cross placenta) Crh Oxytocin
Wt gain during pregnancy due to pregnancy
Gh variant made by syncitiotrophoblast
Iodine intake during pregnancy should be inc from
100 to 200 ug/day
Transient gestational thyrotoxicosis due to
Thyrotropic effect of hcg causes hyperthyroidism in pregnancy
Fetal thyroid functions starts at
12 weeks (T12)
Thyroid hormones which crosses placenta
TRH
TSH (minimally)
Iodine
Drugs used to treat hyperthyroidism
Physiologic hypercortisolism due to
1) inc plasma cortisol t1/2
2) delayed plasma clearance by kidneys
3) resetting of hypothalamic pituitary adrenal feedback mechanism
Pth status in pregnancy
It doesn’t cross the placenta and is normal but calcium ions do cross the placenta against the conc gradient by inc in maternal 1,25 dihydoxyvitamin D levels
Endocrine control of lactation stages
1) mammogenesis preparation of breast)
2) lactogenesis (syn and secretion of milk)
3) galactokinesis (ejection of milk)
4) galactopoeisis (maintenance of lactation)