80 - physical malformation and abnormal stature Flashcards
Dopamine effect on pit?
inhibits prolactin release by ant pituitary
GnRH on pit?
stimulates FSH and LH release by ant pituitary
Somatostatin on pit?
inhibits GH release
Screening during pregnancy
USS to detect physical abnormalities (20 week scan), count number of foetuses, assess foetal heartrate
Combined test at 12 weeks. Blood test and USS for nuchal thickness.
Quadruple test: alpha fetoprotein, hCG, estriol and inhibin A.
Chorionic villus sampling.
features of turners
Webbed neck, short stature, diabetes, hypothyroidism, infertility, cardiac defects, amenorrhea, short stature, low set ears, shield chest.
Turners genetics
45XO
Mx of turners
replace hormones
repair cardiac defects
When is early puberty? causes?
Before 8 in girls and 10 in boys. More malignant in boys.
Obesity, drug side effects, tumours, genetic disease
When is late puberty? causes?
Post 14 in girls, 16 in boys.
Genetic disease, tumours, eating disorders, drug side effects, hypogonadism, malnutrition. More malignant in girls.