OB/Gyn Glossary terms
Induced Abortion - ANS-Termination of a pregnancy by medical or surgical intervention.
Spontaneous Abortion - ANS-Spontaneous termination of a pregnancy before the 20th
week of gestation.
Complete Abortion - ANS-Complete expulsion of the entire products of conception.
Incomplete Abortion - ANS-Incomplete expulsion of the products of conception.
(Retained tissue in the uterus)
Inevitable Abortion - ANS-Dilation of the internal cervical os but without yet passage of
the products of conception.
Missed Abortion - ANS-Intrauterine retention of the non-viable products of conception.
Recurrent Abortion - ANS-Three or more consecutive first-trimester abortions.
Septic Abortion - ANS-A threatened, inevitable, incomplete, missed or complete
abortion complicated by infection.
Threatened Abortion - ANS-Vaginal bleeding in the presence of a closed cervix and a
viable fetus. (Comment: Threatened abortion may occur before fetal heart motion is
documented.)
Abruptio placentae - ANS-Separation of the normally implated placenta from its uterine
attachment after the 20th week of pregnancy and before the birth of the infant. It occurs
mainly in the third trimester.
Acromegaly - ANS-Overgrowth of the terminal parts of the skeletal system after
epiphyseal fusion as a result of overproduction of growth hormone.
Adenomyosis - ANS-Presence of endometrial tissue within the myometrium.
Adnexae - ANS-The uterine appendages, including the fallopian tubes, ovaries and
associated ligaments.
,Adrenal hyperplasia - ANS-A congenital or acquired increase in the number of cells of
the adrenal cortex, occurring bilaterally and resulting in excessive secretion of
17-ketosteroids with sighs of virilization.
Amenorrhea - ANS-Absence or cessation of menstruation.
Primary Amenorrhea - ANS-Failure of menarche to occur by the 16th year of life.
Secondary Amenorrhea - ANS-Absence of menses for three or more months after
menarche.
Amniocentesis - ANS-Aspiration of amniotic fluid, usually transabdominally, for
diagnostic or therapeutic purposes.
Amniotic fluid - ANS-The fluid confined by the amnion.
Androgen Insensitivity Syndrome - ANS-A syndrome of androgen insensitivity
characteristics by primary amenorrhea, a female phenotype, testes (abdominal or
inguinal) instead of ovaries, the absence of a uterus and a male genotype.
megaloblastic Anemia - ANS-Anemia with an excessive number of megaloblasts in
circulation caused primarily by deficiency of folic acid, vitamin B12, or both.
iron deficiency Anemia - ANS-Advanced stage of iron deficiency whereby there is
inefficient stored iron to meet the demands of the body. Also called microcytic anemia
Anorexia nervosa - ANS-Eating disorder characterized by altered body image and
marked reduction in the intake of food, caused by psychogenic factors and leading to
malnutrition and amenorrhea.
Anovulatory bleeding - ANS-Irregular uterine bleeding that occurs in the absence of
ovulation.
Antepartum - ANS-Before labor or delivery
Apgar score - ANS-A physical assessment of the newborn usually performed at 1 and 5
minutes after birth, used to determine the need for resuscitation.
Ascites - ANS-An abnormal accumulation of fluid in the peritoneal cavity.
, Atony, uterine - ANS-Loss of uterine muscular tonicity, which may result in failure of
labor to progress or in postpartum hemorrhage.
Autonomy - ANS-In medicine, a patient=s right to determine what health care she will
accept
Barr bodies - ANS-Sex chromatin masses on the nuclear membrane. The number of
Barr bodies is one fewer than the number of X chromosomes in that cell.
Bartholin cyst - ANS-Cystic swelling of a Bartholin gland caused by obstruction of its
duct.
Bartholin glands - ANS-A pair of glands located at the 4 o=clock and 8 o=clock positions
on the vulvo- vaginal rim.
Basal body temperature - ANS-The oral temperature at rest, used for detection of
ovulation.
Benign cystic teratoma - ANS-The most common germ cell tumor, consisting of mature
elements of all three germ layers (often called dermoid cyst).
Biophysical profile - ANS-A physical assessment of the fetus, including ultrasound
evaluation of fetal movement, breathing movements, fetal tone, amniotic fluid volume,
and electronic fetal heart monitoring.
Biphasic temperature curve - ANS-A graph showing a basal body temperature in the
luteal phase that is 0.3-1F higher than that of a follicular phase, which indicates that
ovulation has occurred.
uteroplacental Blood flow - ANS-The circulation by which the fetus exchanges nutrients
and waste products with the mother.
Breakthrough bleeding - ANS-Endometrial bleeding that occurs at inappropriate times
during the use of hormonal contraceptives.
Breech - ANS-The buttocks (often refers to a fetal presentation).
Cancer staging - ANS-The clinical (information obtained before surgery or tissue
sampling) and pathological (examination of the tumor microscopically) evaluation of the
extent and severity of cancer.
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