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Prenatal > General / Appt > Flashcards

General / Appt Flashcards

1
Q

What is the difference between embryonic & gestational age

A

Embryonic is from conception, gestational is from LMP

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2
Q

What are first trimester dates

A

0-13w6d

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3
Q

What are second trimester dates

A

14w0d-27w6d

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4
Q

What are third trimester dates

A

28w- end

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5
Q

What is the embryonic period

A

Fertilization to 8 weeks post fertilization

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6
Q

What is the fetal period

A

9 weeks to term, (11 weeks gestational)

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7
Q

How early is a pre term infant

A

Less than 37 weeks

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8
Q

What is a full term infant

A

37-42 weeks

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9
Q

What is a post term infant

A

More than 42 weeks

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10
Q

How are pregnancies dated in the first trimester

A

Fetal measurement , crown rump length

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11
Q

What measurements are used to measure fetus

A

Head circumference, bi parietal diameter, abdominal circumference, femur length

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12
Q

How many days is the CRL different to change the EDD before 8w3d

A

Greater than 5 days

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13
Q

How many days is the CRL different to change the EDD between 9 & 14 weeks

A

Greater than 7 days

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14
Q

How many days are fetal measurements off to change the EDD at 14-22 weeks

A

Greater than 7 days

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15
Q

How many days are the fetal measurements off to change the EDD from 22 -28 weeks

A

Greater than 14 days

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16
Q

How many days are the fetal measurements off to change the EDD after 28 weeks

A

Greater than 21 days

17
Q

When is first pregnancy visit & what is done

A

6-10 weeks, confirm pregnancy, possibly Pap smear, informal US, possibly other testing

18
Q

How often are OB visits in pregnancy

A

Every 4 weeks first 28, then every two weeks 28-36, then weekly

19
Q

What is the most common type of twin

A

Dichronionic & diamnioctic

20
Q

What are the proportions of zygosity for di di twins

A

10-20% monozygotic 80% dizygotic

21
Q

When is cleavage for each twin type: di/di, mono/di, mono/mono, conjoined twins

A

Morula /days 1-3, blastocyst/days 4-8, implanted blastocyst/days 8-13, formed embryonic disc/days 13-15

22
Q

What is order of Gs & Ps

A

Numbers of pregnancies, term, preterm, abortions, living children

23
Q

What can risk assessment for a patient be based on

A

Background risks, age related risks, screening results, empirical risks, health history & exposures, family history

24
Q

What are things to ask about prior pregnancies

A

Outcome, order, fetal sex, alive or deceased, any complications, which partner

25
Q

What are general family history questions to ask in a prenatal visit

A

Birth defects, intellectual disability or learning difficulties, autism, consanguinity, recurrent pregnancy loss, still birth , or infertility

26
Q

What factors impact what testing will be available in pregnancy

A

Availability of fetal testing, gestational age, risk & benefits, availability of sample, cost

Prenatal (13 decks)

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