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ARDMS- OB/GYN Exam Prep > The First Trimester Vocabulary > Flashcards

The First Trimester Vocabulary Flashcards

1
Q

The complete expulsion or parietal expulsion of the conceptus

A

Abortion

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2
Q

The sonographic sign that describes the appearance of an ectopic pregnancy within the Fallopian tube

A

Adnexal Ring Sign

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3
Q

The wall of the inner sac (amniotic cavity) that contains the embryo and amniotic fluid; echogenic curvilinear structure that may be seen during the first trimester within the gestational sac

A

Amnion

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4
Q

The cavity that contains simple-appearing amniotic fluid and the developing embryo

A

Amniotic Cavity

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5
Q

An abnormal pregnancy in which there is no evidence of a fetal pole or yolk sac within the gestational sac; also referred to as blighted ovum

A

Anembryonic Gestation

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6
Q

A condition of having an abnormal number of chromosomes

A

Aneuploid

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7
Q

The stage of the conceptus that implants within the decidualized endometrium

A

Blastocyst

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8
Q

The most malignant form of gestational trophoblastic disease with possible metastasis to the liver, lungs, and vagina

A

Choriocarcinoma

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9
Q

The outer membrane of a gestation that surrounds the amnion and the developing embryo

A

Chorion

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10
Q

The part of the chorion, covered by chorionic villi, that is the fetal contribution of the placenta

A

Chorion Frondosum

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11
Q

The space between the chorion sac and the amniotic sac that contains the secondary yolk sac; also referred to as the extraembryonic coelom

A

Chorionic Cavity

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12
Q

The gestational sac; also referred to as the chorion

A

Chorionic Sac

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13
Q

Fingerlike projections of gestational tissue that attach to the decidualized endometrium and allow transfer of nutrients from the mother to the fetus

A

Chorionic Villi

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14
Q

The combination of a female ovum with a male sperm to produce a zygote; also referred to as fertilization

A

Conception

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15
Q

Physiologic ovarian cyst that develops after ovulation has occurred

A

Corpus Luteum Cyst

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16
Q

The corpus luteum that is maintained during an early pregnancy for the purpose of producing estrogen and primarily progesterone

A

Corpus Luteum of Pregnancy

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17
Q

The measurement of the embryo/fetus from the top of the head to the rump

A

Crown Rump Length

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18
Q

The endometrial tissue at the implantation site, and the maternal contribution of the placenta

A

Decidua Basilis

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19
Q

The physiologic effect on the endometrium in the presence of a pregnancy

A

Decidual Reaction

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20
Q

The level of human chorionic gonadotropin beyond which an intrauterine pregnancy is consistently visible

A

Discriminatory Zone

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21
Q

The normal sonographic appearance of the decidua capsularis and decidua parietalis, separated by the anechoic fluid-filled uterine cavity

A

Double Decidual Sign

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22
Q

A sequela of preeclampsia in which uncontrollable maternal hypertension and proteinuria lead to maternal convulsions and possibly fetal and maternal death

A

Eclampsia

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23
Q

A pregnancy located outside the endometrial cavity of the uterus

A

Ectopic Pregnancy

24
Q

Term given to the developing fetus before 10 weeks gestation

A

Embryo

25
Q

The death of an embryo before 10 weeks gestation

A

Embryonic Demise

26
Q

Localized, painless contractions of the myometrium in the gravid uterus that should resolve within 20 to 30 minutes

A

Focal Myometrial Contraction

27
Q

The way in which a pregnancy can be dated based on the first day of the last menstrual cycle; also referred to as. menstrual age

A

Gestational Age

28
Q

A disease associated with an abnormal proliferation of the trophoblastic cells during pregnancy; may also be referred to as a molar pregnancy

A

Gestational Trophoblastic Disease

29
Q

Coexisting ectopic and intrauterine pregnancies

A

Heterotopic Pregnancy

30
Q

Hormone produced by the trophoblastic cells of the early placenta; may also be used as a tumor marker in non gravid patients and males

A

Human Chorionic Gonadotropin

31
Q

The most common form of gestational trophoblastic disease in which there is an excessive growth of the placenta and high levels of human chorionic gonadotropin; typically benign

A

Hydatidiform Mole

32
Q

Excessive vomiting during pregnancy

A

Hyperemesis Gravidarum

33
Q

A bleed that occurs at the time in which the conceptus implants into the decidualized endometrium

A

Implantation Bleed

34
Q

The appearance of a small gestational sac in the uterine cavity surrounded by the thickened, echogenic endometrium

A

Intradecidual Sign

35
Q

A reversible form of contraceptive that is manually placed in the uterine cavity to prevent pregnancy; also referred to as an intrauterine device

A

Intrauterine Contraceptive Device

36
Q

A type of gestational trophoblastic disease in which a molar pregnancy invades into the myometrium and may also invade through the uterine wall and into the peritoneum

A

Invasive Mole

37
Q

Early embryonic structures that will eventually give rise to the extrememties

A

Limb buds

38
Q

The measurement of the gestational sac to obtain a gestational age

A

Mean Sac Diameter

39
Q

A chemotherapy drug used to attack rapidly dividing cells like those seen in an early pregnancy; this drug is often used to manage ectopic pregnancies

A

Methotrexate

40
Q

The spontaneous end of a pregnancy before viability

A

Miscarriage

41
Q

Fetal demise with a retained fetus

A

Missed Abortion

42
Q

The developmental stage of the conceptus following the zygote

A

Morula

43
Q

The anechoic space along the posterior aspect of the fetal neck

A

Nuchal Translucency

44
Q

The normal developmental stage when the midgut migrates into the base of the umbilical cord

A

Physiologic Bowel Herniation

45
Q

Pregnancy-induced maternal high blood pressure and excess protein in the urine after 20 weeks gestation

A

Preeclampsia

46
Q

The appearance of an abnormally shaped false gestational sac within the uterine cavity as a result of an ectopic pregnancy; this often corresponds with the accumulation of blood and secretions within the uterine cavity

A

Pseudogestational Sac

47
Q

The primary brain vesicle also referred to as the hindbrain; becomes the cerebellum, pons, medulla oblongata, and fourth ventricle

A

Rhombencephalon

48
Q

The structure responsible for early nutrient transfer to the embryo; the yolk sac seen during a sonographic examination of the early gestation

A

Secondary Yolk Sac

49
Q

A bleed between the endometrium and the gestational sac at the edge of the placenta

A

Subchorionic Hemorrhage

50
Q

Having three sets of each chromosome or 69 total

A

Triploid

51
Q

Chromosomal abberation in which there is a third chromosome 18; also referred to as Edwards Syndrome

A

Trisomy 18

52
Q

Chromosomal abberation in which there is a third chromosome 21, also referred to as Down Syndrome

A

Trisomy 21

53
Q

The cells the surround the gestation that produces that produce human chorionic gonadotropin

A

Trophoblastic Cells

54
Q

A chromosomal abberation where one sex chromosome is absent; may also be referred to as monosomy X

A

Turner Syndrome

55
Q

The structure that connects the developing embryo to the secondary yolk sac

A

Vitelline Duct

56
Q

The cell formed by the union of two gametes; the first stage of a fertilized ovum

A

Zygote

ARDMS- OB/GYN Exam Prep (34 decks)

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