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Obstetrics and Neonatology

Structure and Function

Key Terms

Gamete

mature sex cell

Ovulation

expulsion of ovum from ovary

Fertilization

entrance of sperm into egg

gestation

development from conception to birth

implantation

embedding of zygote in uterine lining

 

Key Terms

zygote

cell formed by union of sperm and egg

embryo

implantation to second month of development

fetus

second month of development until birth

placenta

structure that nourishes developing fetus

 

Key Terms

amniotic

membranous bag that surrounds the fetus

chorion

outermost layer of fetal membrane

amnion

innermost layer of fetal membrane

amniotic fluid

fluid within the amniotic sac

 

Word Parts
Combining Forms

amni/o, amnion/o amnion, amniotic fluid

chori/o chorion

embry/o embryo, to be full

fet/o. fet/i fetus, unborn child

gravid/o, cyes/o pregnancy

cyes/i

lact/o milk

nat/o birth

omphal/o unbilicus, navel

par/o, part/o bear, give birth to, labor

puerper/o childbirth

 

Combining Forms

cephal/o head

esophag/o esophagus

pelv/i, pelv/o pelvic bone, pelvis

prim/i first

pseud/o false

pylor/o pylorus

 

Prefixes and Suffixes

ante- before

micro- small

multi- many

nulli- none

post- after

-orrhexis rupture

-tocia birth, labor

 

Obstetric Disease & Disorder Terms

amnionitis

chorioamnionitis

choriocarcinoma

dystocia

embryotocia

hysterorrhexis

salpingocyesis

abortion

abruptio placentae

eclampsia

ectopic pregnancy

placenta previa

preeclampsia

 

Neonatology Disease & Disorder Terms

microcephalus

omphalitis

omphalocele

pyloric stenosis

tracheoesophageal fissure

cleft lip and palate

Down syndrome

erythroblastosis fetalis

esophageal atresia

spina bifida

hyaline membrane disease

 

Obstetric Surgical & Procedural Terms

amniotomy

episiotomy

amniography

fetography

amniocentesis

amnioscopy

fetometry

pelvimetry

 

Complementary Terms

amniochorial

amniorrhea

amniorrhexis

antepartum

cyesiology

cyesis

embryogenic

embryoid

embryologist

fetal

gravida

gravidopuerperal

intrapartum

lactic

lactogenic

lactorrhea

multigravida

multipara

natal

neonate

neonatology

nulligravida

nullipara

para

postpartum

primigravida

primipara

pseudocyesis

puerpera

puerperal

 

Complementary Terms

breech birth

congenital anomaly

lochia

meconium

obstetrician

obstetrics

parturition

premature infant

puerperium

 

Abbreviations

C/S, C-section cesarean section

EDD expected date of delivery

DOB date of birth

HMD hyaline membrane disease

LMP last menstrual period

multip multipara

NB newborn

OB obstetrics

RDS respiratory distress syndrome