OBGYN Flashcards
Fertilization to 8 weeks it is called a?
embryo
8 wks to birth it is called a
fetus
birth to 1 year it is called a
infant
Nagele rule
subtract 3 months add one week
First trimester
1-12 weeks DA
1-14 weeks GA
2nd Trimester
12-24 weeks DA
14-28 weeks GA
3rd Trimester
24 wks to birth
28 wks to birth
24-37 weeks a fetus is ?
preterm
37-42 weeks a fetus is?
term
after 42 weeks a fetus is
Post-term
US confirms pregnancy
at what age in weeks
or beta HCG level should you be able to see something?
5 weeks
1500 IU/L
Chorionic villus sampling done at
10-13 weeks
obtains fetal karyotype
catheter into intrauterine vacity to aspirate chorionic villi from placenta
Amniocentesis
done after 15-20 weeks
obtains fetal karyotype
needle places transabdominally into amniotic sac and withdrawn amniotic fluid
Percutaneous umbilical blood sample
needle placed transabdominally into amniotic sac and withdraw amniotic fluid
period of amenorrhea
unilateral lower abdominal or pelvic pain
vaginal bleeding
can be hypotensive with peritoneal irritation
Ectopic pregnancy triad
