Common OB Terms Flashcards
Antepartum
occurring or existing before birth
Intrapartum
time period spanning childbirth, from the onset of labor through the delivery of the plaenta
postpartum
following child birth
Uterus
hollow, pear-shaped organ that is located in a woman’s lower abdomen, between the bladder and rectum
Myometrium
middle layer of uterus is muscular tissue that expands during pregnancy to hold the growing fetus and contracts during labor to deliver the child
Upper uterine segment
main portion of the body of the gravid uterus, the contraction of which furnishes the chief force of expulsion of labor
Lower uterine segment
The inferior portion or isthmus of the uterus, the lower extremity of which joins with the cervical canal and, during pregnancy, expands to become the lower portion of the uterine cavity
Cervix
lowest region of the uterus that attaches the uterus to the vagina and provides a passage between the vaginal cavity and the uterine cavity
Internal os
Opening of the innermost side of cervical canal near the baby
External os
Opening on the outermost side of the cervical canal to the vagina.
Fetal membranes
amnion and chorion membranes, which make up the amniotic sac that surround and protect the fetus
Dilation
opening of the cervix
Effacement
Refers to the thinning of the cervix
Uterine fundus
Upper rounded extremity of the uterus above the openings of the fallopian tubes
Introitus
Vaginal introitus is the opening that leads to the vaginal canal
BTL
Bilateral Tubal Ligation is a surgical procedure that creates permanent contraception. BTL severs the fallopian tubes, preventing sperm from meeting egg. Often referred to as having your “tubes tied”
EFM
electronic fetal monitoring
Tocodynamometer
Medical device used to measure the frequency and duration of uterine contractions. Consists of a pressure transducer that is placed over the fundus of the uterus
IUPC-Internal uterine pressure catheter
Device paced into the uterus next to the fetus during labor to measure the strength of the contractions
FSE
Device placed just under the skin on the presenting part of the fetus whilst in-utero to assess fetal heart rate pattern
FHR
fetal heart rate
Fetal Engagement
When widest part of the baby’s presenting part enters the pelvic brim or inlet. A first baby often engages two weeks before birth. Subsequent babies may not engage until transition phase or Stage 2.
EDC
Estimated Date of Confinement or due date. This is an older term, though still used. The origin of the word referred to the period of pregnancy when an upper-class, noble or royal woman would withdraw from society to be confined to their rooms with midwives, ladies-in-waiting and female family members only to attend them
EDD
Estimated Due Date or Due date describes the estimated delivery date for a pregnant woman
EBL
Estimated Blood Loss is estimated blood loss during a procedure. It is often inaccurate and underestimated
QBL
Quantitative Blood Loss is weight based measurement of blood loss which involves subtracting dry weights of blood-soaked pads, linens, sponges to more accurately determine blood loss
ROM
Rupture of Membranes is a term used to describe a rupture of the amniotic sac. May also be referred to as one’s “water breaking”
SROM
Spontaneous Rupture of Membranes describes the normal, spontaneous rupture of the membranes at full term
AROM
Artificial Rupture of membranes describes the rupture of the membranes by a third party, usually the provider to induce or accelerate labor
PROM
Premature Rupture of Membranes describes a rupture of the membranes that occurs before 37 weeks gestation
PPROM
Preterm Premature Rupture of Membranes describes a rupture of membranes that occurs before 37 weeks gestation
IDDM
Insulin-Dependent Diabetes Mellitus
IDM
Infant of a diabetic mother; these infants are at risk for having macrosomia, hypoglycemia, respiratory distress syndrome, polycythemia, hyperbilirubinemia, risk of birth defects and a higher risk of stillbirth or miscarriage
PPH
Postpartum hemorrhage is an obstetric emergency that is one of the five top causes of maternal mortality