OB EXAM 1 VOCAB

ferning

appearance of amniotic fluid under the microscope

dizygotic

fertilization of two eggs

what is a non pharmacological option to treat nausea and vomiting?

ginger

pruritus of hands and feet is a common sign of…

intrahepatic cholestatsis

surgical treatment of cervical insufficiency

cerclage of cervix

benign proliferation of the trophoblast

molar pregnancy

fertilized egg grows outside of uterus

ectopic pregnancy

regular contractions with cervical change before 37 weeks

preterm labor

birth between 20 0/7 - 25 0/7 weeks

previable pregnancy

maternal serum screening for NTD and trisomy 18 & 21

quad marker screening

AFI (amniotic fluid index) < 5 cm

oligohydramnios

most common abnormality of chromosome number

aneuploidy

a screening tool that uses FHR patterns and accelerations as an indicator of fetal well being

nonstress test

How would you define a NST without sufficient FHR accelerations in 40 min?

nonreactive

what is the ALARA principle?

sonography should only be performed for a valid indication using the lowest possible exposure

aspiration of a small amount of placental tissue

chorionic villus sampling

A NST is ran on a baby at >32 weeks gestation. if their FHR increases 15 beats for 15 seconds twice or more in 20 min, how would you define this result?

reactive

AFI > 24 cm

polyhydramnios

hormone that causes gradual softening of pelvic cartilage and connective tissues

relaxin

how would you describe a woman that has never been pregnant or given birth?

nulligravita

the first time a mother feels fetal movement

quickening

what does the “mask of pregnancy” refer to?

facial melasma common with pregnancy

bluish purple coloration of vaginal mucosa, cervix, and vulva

Chadwick’s sign

What may happen when the weight of the uterus partially occludes the vena cava and the aorta?

supine hypotension

cravings for nonnutritive substance

pica

Braxton Hicks contractions

irregular (usually non painful) contractions

objective findings found by the provider that point towards pregnancy

probable signs

the remaining cells of an old follicle that persists for 12 days after ovulation

corpus luteum

What supplement is taken to prevent neural tube defects?

folic acid