Approach to OB Flashcards
what are the 4 effects of estrogen in the OB pt
endometrial support for fetus
stimulates pituitary size increase
In GI causes dec tone in lower esoph sphinter
makes them hyper coagulable= inc risk of thrombosis
what are the 4 effects of progesterone in the OB pt
endometrial support
lungs:inc tidal volume and alveolar minute ventilation
GI dec tone in LES: gerd
GU: dec bladder and uterter tone - hydronephrosis and inc risk of bateremia
What is human chorionic gonadotropin (HCG)?
made by the placenta
supports progesterone synth by corpus luteum
stabilizes the endometrium
what is placental growth hormone (formerly human placental lactogen)
supports development
can lead to insulin resistance–>DM
can lead to preeclampsia
what is relaxin
from placenta and corpus luteum
modifies SI joint and pubic symphysis in prep for delivery
what is Erythropoeitin
Inc RBC mass, increased plasma volume
leads to hemodilution (physiologic anemia)
what 4 breast changes occur
become enlarged nodular
areola darken and montgomery glands are more prominent
visible veins
colostrum (formation of milk)
what three abdomen changes are seen
striae gravidarum
linea nigra
diastasis recti midline (seperation on midline of rectus abdominus)
what is chadwick’s sign?
vagina gets a bluish tint d/t vascularity
what is leukorrhea?
profuse white d/c from the vagina inc lactobacilli inc glycogen can lead to canadidias
what is Hegar’s sign
softening of the cervix
________ develops to seal off the uterine enviroment
cervical mucus plug
during the _____ trimester the uterus is confined to the pelvis
1st
at ____ to _____ weeks the uterus is externally palpable
12-14 weeks
______ during the 1st trimester leads to palpable corpus luteum
adnexa