Ob/Gyn Flashcards
Why do pregnant women get Anemia?
Due to the dilution effect: RBC rises 30%, but body volume rises 50%
What is Meconium?
Green baby poop (first poop)
What are Identical Twins?
Eggs split into perfect halves “Monochorionic”
What are Fraternal Twins?
Multiple eggs fertilized by different sperm
What is Ovarian Hyperstimulation syndrome?
Weight gain and enlarged ovaries after clomiphene use for infertility
Who Makes the Trophoblast?
Baby
Who makes the Cytotrophoblast?
Mom production of GnRH, CRH, TRH, and Inhibin
Who makes the Syncytiotrophoblast?
Mom and baby production of HCG and HPL
When does Implantation occur?
1 week after fertilization
When is Beta HCG found in Urine?
2 weeks after fertilization
When is B-HCG found in Blood?
8-10 days after fertilization
What makes Progesterone in >10 weeks gestation?
Placenta
What is the function of B-HCG?
Maintains Corpus Luteum, sensitizes TSH receptors to make body hyperthyroid (to raise BMR)
What makes B-HCG?
Placenta (synctiotrophoblast)
How fast should B-HCG rise?
Shoulde double every 2 days until 10 weeks, stops when placenta is fully formed
What is the function of AFP?
Regulates intravascular volume
Made in the liver of fetus
What is the function of HPL?
Blocks insulin receptors so the sugar stays high, (baby is stocking up - hibernating)
What is the function of Inhibin?
Inhibits FSH so there is no menstruation
What is the function of Cortisol in Pregnancy?
Decreases immune rejection of the baby out of mom and for lung maturation
What is the function Oxytocin?
Milk and baby ejection
What is the thyroid hormone levels during Pregnancy?
Increased TBG - leads to increased total T4 (Bound and free)
When can you first detect fetal heart tones?
Week 20
When can you tell the sex of the baby by US?
Week 16
What does an AFI <5 indicate?
Oligohydramnios (Cord compression)