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