Common Terminologies in Obstetric Nursing

Questions and Answers

What happens to the frontal suture during early adulthood?

It widens to accommodate the growing brain.

It separates to relieve pressure in the skull.

It fuses as the ossification of the skull completes. (correct)

It becomes more flexible for labor.

What is the most favorable vertex presentation for vaginal delivery?

Partially extended head

Transverse position

Breech presentation

Fully flexed head (correct)

Which suture is primarily responsible for the overriding of the fetal skull during labor?

Lambdoid suture

Sagittal suture

Coronal suture (correct)

Frontal suture

What does molding of the fetal skull facilitate during birth?

Enables the fetal head to pass through the birth canal Signup and view all the answers

Which statement is true regarding caput succedaneum?

It usually heals without major medical intervention. Signup and view all the answers

How long does it generally take for caput succedaneum to disappear?

24 to 48 hours Signup and view all the answers

What distinguishes cephalohaematoma from caput succedaneum?

Cephalohaematoma does not pit on pressure. Signup and view all the answers

What is a function of amniotic fluid during pregnancy?

Promotes fetal movement Signup and view all the answers

What is the primary role of the placenta?

To provide metabolic and nutrient exchange Signup and view all the answers

What is a key characteristic of the breast's anatomy during pregnancy?

Hormonal influences increase ductal branching Signup and view all the answers

What is the duration range that defines a normal human pregnancy?

37-42 weeks Signup and view all the answers

What does the term 'stillbirth' indicate?

The death of a fetus at or after 24 weeks gestation Signup and view all the answers

What is the term used for a woman who is pregnant for the first time?

Primigravida Signup and view all the answers

What is the estimated date of confinement (EDC) based on?

Average of 280 days Signup and view all the answers

Which term refers to the number of pregnancies a woman has had?

Gravida Signup and view all the answers

How is a 'multipara' defined?

A woman who has given birth to multiple viable children Signup and view all the answers

At what maternal age is a woman classified as 'elderly primigravida'?

Above 35 years old Signup and view all the answers

What does the term 'abortion' refer to in obstetric terminology?

Ending a pregnancy before viability Signup and view all the answers

Which trimester corresponds to weeks 14 to 27?

2nd trimester Signup and view all the answers

Which term describes the age of the fetus equivalent to its gestational age?

Fetal maturity Signup and view all the answers

What does the abbreviation G1P0 represent in pregnancy terms?

One pregnancy with no live births Signup and view all the answers

How is G3P2 expressed in terms of previous pregnancies?

Three total pregnancies, two live births Signup and view all the answers

What is the function of the cervix during the second and third trimester of pregnancy?

It remains closed until labor begins Signup and view all the answers

Which structure is responsible for preventing ascending infections during pregnancy?

Cervical mucus plug Signup and view all the answers

What are the three sections of the uterus?

Fundus, Body, Cervix Signup and view all the answers

What is the main purpose of the vagina in the reproductive system?

Passage for menstrual flow and delivery Signup and view all the answers

Which layer of the uterus is rich in blood supply?

Endometrium Signup and view all the answers

What roles do the sutures of the fetal skull serve?

They allow for flexibility during delivery Signup and view all the answers

In terms of gravida and parity, what does G6P1 indicate?

Six pregnancies with one live birth Signup and view all the answers

What is the primary function of the uterus during pregnancy?

To support fetal development Signup and view all the answers

What anatomical feature helps in the descent of the baby into the uterus in preparation for birth?

Cervix Signup and view all the answers

What is a significant feature of the myometrium?

Involuntary muscular contractions Signup and view all the answers

Which option describes the primary function of the endometrium?

Nourishment of the embryo Signup and view all the answers

What term describes the external and internal openings of the cervical canal?

External and internal os Signup and view all the answers

Study Notes

Obstetric Nursing Terminologies

Term: Expected delivery time, typically at 37 to 42 weeks of pregnancy.
Abortion: Termination of pregnancy before 24 weeks of gestation, can be spontaneous or induced.
Stillbirth: Fetus delivered with no signs of life at or after 24 weeks or weighing over 500 grams.

Estimated Due Date

Estimated Date of Confinement (EDC): Average expected delivery is 280 days (40 weeks).

Pregnancy Trimesters

Trimester Definition: Divided into three periods:
- 1st Trimester: Conception to 13 weeks 6 days
- 2nd Trimester: 14 weeks to 27 weeks 6 days
- 3rd Trimester: 28 weeks until delivery

Gravida and Para

Gravida (G): Refers to the total number of pregnancies.
Para/Parity (P): Number of births after 24 weeks or over 500 grams. Definitions include:
- Nullipara (P0): No viable births.
- Primipara (P1): One viable birth.
- Multipara (P2+): More than one viable birth.
- Grand multipara (P5): Five or more viable births.

Special Categories

Primigravida: Pregnant for the first time.
Advanced Maternal Age: Pregnant at or above age 35.
Elderly Primigravida: First-time pregnancy at age 35 or older.
Multigravida: Experiencing more than one pregnancy.

Uterus Structure and Function

Uterus Composition: Pear-shaped organ with three sections (fundus, corpus, cervix) and three layers (endometrium, myometrium, perimetrium).
Functions:
- Supports bladder and bowel.
- Allows fetal development.
- Accepts and nourishes fertilized ovum.

Cervix

Cervical Structure: Lower third of the uterus projecting into the vagina, containing the cervical canal.
Function During Pregnancy:
- Remains closed until labor onset.
- Provides support for the fetus.

Vagina

Functions:
- Passage for menstrual flow and sperm.
- Barriers against infections.
- Exit path for the fetus during delivery.

Fetal Skull and Suture Types

Fetal Skull Components: Includes frontal, parietal, occipital, and temporal bones.
Sutures: Unossified membrane areas allowing skull shape alteration during labor.

Vertex Presentation

Vertex Presentation: Fully flexed head position, ideal for cervical dilation and successful vaginal delivery.

Molding and Edema

Molding of Fetal Skull: Skull shape changes occur during birth for safe passage; allows for slight bending at sutures.
Caput Succedaneum: Edema over the fetal head from labor pressure, heals without intervention.

Caput Succedaneum vs. Cephalohematoma

Caput Succedaneum:
- Present at birth, can cross suture lines, subsides in 24-48 hours.
Cephalohematoma:
- Not present at birth, does not cross suture lines, may worsen in first 1-2 days, resolves in 4-6 weeks.

Breast and Placenta Anatomy

Breast: Composed of fat, fibrous tissue, and mammary glands; influenced by increased hormone levels during pregnancy.
Placenta: Site for metabolic exchange between maternal and embryonic circulations, typically located in the upper uterine wall.

Amniotic Fluid Functions

Maintains temperature, fluid balance, symmetric growth, fetal movement, cushioning, and umbilical cord protection.

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Description

This quiz focuses on essential terminologies commonly used in obstetric nursing. It covers key terms related to pregnancy, including gestation periods and definitions of abortion. Test your knowledge and understanding of these important concepts in obstetric care.