5. Antenatal care Flashcards

1
Q

What is another name for antenatal care

A

Prenatal care

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2
Q

List three steps /procedures in antenatal care

A

Diagnosis of Pregnancy
Initial Evaluation
Investigations

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3
Q

In the Initial evaluation during antenatal care what are the important pt histories taken

A

Reproductive
Medical/surgical
Social/family

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4
Q

In antenatal care initial evaluation

Which three areas of the body are examined

A

General
Abdomen
Pelvic

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5
Q

What are the symptoms of pregnancy during the first trimester

A
Amenorrhea 
Nausea and Vomiting 
Fatigue
Breast tingling and fullness
Urine frequency/nocturia
Constipation
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6
Q

What is Piskacek’s sign

A

It consists of asymmetric enlargement of the pregnant uterus due to enlargement of the cornual region over the implantation site

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7
Q

What is the term used to describe “It consists of asymmetric enlargement of the pregnant uterus due to enlargement of the cornual region over the implantation site”

A

Piskacek’s Sign

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8
Q

Describe Hegar’s sign

A

Consists of a generalized softening of the lower uterine segment

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9
Q

List three general sings and symptoms of patients in the 2nd and 3rd trimesters

A

“Quickening”( maternal perception of fetal movements)
Dermatologic changes
Backache

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10
Q

For a patient experiencing their first pregnancy, when does “quickening” usually occur?

A

18-20 week

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11
Q

For a patient experiencing their second pregnancy, when does “quickening” usually occur

A

16-18 weeks

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12
Q

What are some dermatologic changes seen in the second and third trimesters

A

Chloasma (dark patches of skin on forehead, nose, upper lip and cheeks)
Linea Nigra (vertical black line on abdomen)
Striae (stretch marks)

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13
Q

What are four signs observed in the last two trimesters

A

Enlargement of the abdomen
Uterine contractions
Palpation of fetal parts
Auscultation of fetal heart

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14
Q

List three instruments used to auscultate a fetus

A

Pinard
“Bell” of regular stethoscope
Doppler “pocket” size

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15
Q

What is the symphiso-fundal height

A

This is the vertical distance from the superior aspect of the symphysis pubis to the apex of the uterine fundus

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16
Q

List three ancillary aids used to diagnose pregnancy in the first trimester

A

Urine Pregnancy test (total HCG)
Blood pregnancy test (beta subunit HCG assay)
Trans-vaginal ultrasound

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17
Q

Which ancillary aid is used to diagnose pregnancy in the 2nd trimester

A

Trans-Abdominal ultrasound

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18
Q

List three measurements taken during an ultrasound study to determine fetal size/age in the 2nd trimester

A

Biparietal Diameter
Abdominal Circumference
Femoral length

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19
Q

What term is used to describe all previous and current pregnancies

A

Gravida

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20
Q

Define Gravida

A

All previous and current pregnancies

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21
Q

What is the term used to describe all pregnancies in the past beyond the period of fetal viability (>24weeks or >500g birth weight)

A

Parity

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22
Q

At which week or birth weight is a fetus considered viable

A

> 24 weeks

>500 g

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23
Q

What is the term used to describe a woman who has not given birth to viable child

A

Nullipara

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24
Q

What is the term used to describe a woman who has had a pregnancy resulting in a viable fetus

A

Primipara

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25
Q

What is the term used to describe a woman that had more than one pregnancy resulting in viable offspring

A

Multipara

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26
Q

What is the term used to describe a woman who has given birth to at least five viable babies

A

Grand Multipara

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27
Q

Describe the time span of the first trimester

A

LMP to 12 weeks

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28
Q

Describe the time span of the second trimester

A

13-27 weeks

29
Q

Describe the time span of the third trimester

A

28- term (37-42) weeks

30
Q

What is the time span used to classify a pre term baby

A

> 24 but <37 weeks

31
Q

What is the time span used to classify a postterm baby

A

> 42 weeks

32
Q

What information is collected during taking the menstrual history at the first visit

A

Last Menstrual Period
Cycle Regularity & Frequency
Contraception Use

33
Q

Which rule is used to calculate Estimated Date of Delivery

A

Naegeles Rule

34
Q

Define / State Naegeles rule for Estimating Date of Delivery

A

Add 7 days
Subtract 3 months
Add 1 year

35
Q

Calculate the EDD for the patient whose LMP is 1/12/15

A

8/9/16

Add 7 days
Subtact 3 months
Add 1 yr

36
Q

Calculate the EDD for a patient whose LMP is 1/01/16

A

8/10/16

Add 7 days
Subtact 3 months
Add 1 yr

37
Q

What information should be collected from the past obstetric history

A
Gravidity
Parity
Miscarriage 
Previous Complications
Gestational age at Delivery 
Type of delivery
Birth weights, neonatal or maternal complications
38
Q

Why would you do a blood test on a pregnant patient

A

To determine the blood group

39
Q

Why would you do a haemoglobin test on a pregnant pt

A

To detect anemia

40
Q

Why would you do a Rapid Plasma Reagin/VDRL test on a pregnant pt

A

To screen for syphillis

41
Q

Why would you do an HIV test on a pregnant pt

A

To detect HIV infection and possible need for HAART (highly active antiretroviral therapy) to prevent MTCT (mother to child transmission)

42
Q

List six lab tests done on a pregnant pt

A
Blood group
Haemoglobin
Rapid Plasma Reagin/ VDRL
HIV
Hepatitis B Surface antigen
Sickle cell
43
Q

What amount of folic acid is prescribed per day until 12 weeks gestation

A

400 microgram/day

44
Q

Booking for the first antenatal visit is ideally at what time

A

Prior 12 weeks

45
Q

Fill in the blanks

Antenatal visits should be

Every _______ until 28 weeks then every 2 weeks until 36 weeks. Then weekly until delivery

A

4 weeks

46
Q

Fill in the blanks

Antenatal visits should be

Every 4 weeks until _______ then every 2 weeks until 36 weeks. Then weekly until delivery

A

28 weeks

47
Q

Fill in the blanks

Antenatal visits should be

Every 4 weeks until 28 weeks then every ______ until 36 weeks. Then weekly until delivery

A

2 weeks

48
Q

Fill in the blanks

Antenatal visits should be

Every 4 weeks until 28 weeks then every 2 weeks until ______. Then weekly until delivery

A

36 weeks

49
Q

Fill in the blanks

Antenatal visits should be

Every 4 weeks until 28 weeks then every 2 weeks until 36 weeks. Then _____ until delivery

A

Weekly

50
Q

Which scan is taken at 20 weeks

A

Fetal anomaly scan

51
Q

Which test is taken at 24-28 weeks

A

Osullivan’s glucose test

To screen for GDM Gestational Diabetes

52
Q

At which week do you begin preparation for labour and delivery

A

36 weeks

53
Q

Which two tests are used to detect fetal abnormalities

A

Amniocentesis

Chorionic Villus Sampling

54
Q

When is a pregnancy considered a term pregnancy

A

38-42 weeks

55
Q

What does a low risk antenatal team consist of

A

Midwife (led)
General Practitioner
8-10 antenatal visits

56
Q

Who does a highrisk antenatal team consist?

A

Obstetrician (led)
Midwife
other specialist
more frequent visits >10

57
Q

The first trimester combined test detects which chromosomal abnormalities

A

Down Syndrome (Trisomy 21)
Edward Syndrome (Trisomy 18)

58
Q

The first trimester combined tests takes place during which weeks

A

9-13

59
Q

What is the roleof the biochemical quardruple test?
2nd Trimester test

A

It determines the chance of the baby having a defect by assessing hormones : hCG, unconjugated estriol, inhibin A, alpha fetoprotein

HIFU!!!!

60
Q

At which weeks is the biochemical quadruple test done?

A

Between weeks 15-20

61
Q

List 7 danger signs of pregnancy

A
  • vaginal bleeding
  • headaches
  • flashing lights
  • epigastric pain
  • reduced fetal movement
  • persistent abdominal pain
  • fever
62
Q

What maternal characteristics classify a pregnancy as high risk?

A
  • BMI greater than 30
  • BMI <18
  • Smoking
  • age >40
  • teenage mothers
63
Q

What past medical history tclassifies a pregnancy as high risk

A

Cardiac disease
renal disease
endocrine disorders
epilepsy
diabetes that requires insulin
haematological disorders
Autoimmune disorders
severe asthma
recreational drugs
HIV, EBV

64
Q

What is pre-eclampsia

A

This is a sudden spike in BP sometimes with fluid retention and proteinuria

65
Q

What is HELLP syndrome

A

Hemolysis, elevated liver enzymes, and low platelets

66
Q

What is the role of antenatal fetal evaluation

A

Confirm fetal viability
Determine gestational age
Diagnose multiple gestation
Screen for structural and chromosomal anomalies
Screen for fetal growth and well being

67
Q

WHich chromosomal abnormalities are screened for in fetal evaluation

A
  • down syndrome trisomy 21
  • pernaud’s syndrome T13
  • Edward’s syndrome T18
68
Q

When is the anomaly scan done

A

between 18 and 22 weeks

69
Q

What three measurements are taken during the 2nd trimester to determine the fetal size ofr age

A
  • biparietal
  • abdominal circumference
  • femoral length