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MCN > Fetal Development by Months > Flashcards

Fetal Development by Months Flashcards

1
Q

First Month of Fetal Development

A

L: 0.75-1cm
G: 400 mg
spinal cord fused and at midpoint

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2
Q

Second Month of Fetal Development

A

L: 2.5 cm
G: 20 g
completed organogenisis
heart w/ septum beats rhythmically
extremities developed

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3
Q

Third Month of Fetal Development

A

L: 7-8 cm
G: 45 g
formation if bone ossification centers
kidney secretion starts
heartbeat audible by doppler

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4
Q

Fourth Month of Fetal Development

A

L: 10-17 cm
G: 50-120 g
fetal heart audible by stethoscope
fetus swallows amniotic fluid
urine present in amniotic fluid
sex determined by ultrasound

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5
Q

Fifth Month of Fetal Development

A

L: 25 cm
G: 223 g
hair and eyebrows formed
vernix caseosa forms
meconium present in upper intestine

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6
Q

Sixth Month of Fetal Development

A

L: 28-36
G: 550 g
eyelids open
pupils reactive to light
capable of hearing sounds

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7
Q

Seventh Month of Fetal Development

A

L: 35-38 cm
G: 1200 g
testes begins to descend
alveoli matures

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8
Q

Eighth Month of Fetal Development

A

L: 38-43 cm
G: 1,600 g
fetus responds to external voice
fetus assumes birth position
deposition of brown fat

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9
Q

Ninth month of fetal development

A

L: 43-48 cm
G: 1,800-2,700 g
calcium deposition
body stores glycogen, iron and carbohydrates
presence of 1-2 creases on sole of foot

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10
Q

Tenth month of fetal development

A

L: 48-52 cm
G: 3000 g
fetus kicks actively
vernix caseosa fully formed
sole creases cover 2/3 of feet

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11
Q

At what nonth does the spinal cord fuse and is at midpoint?

A

First month

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12
Q

At what month does organogenisis complete?

A

Second

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13
Q

At what month are the external genitalia present?

A

Second

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14
Q

At what month are nailbeds and tooth buds formed?

A

Third

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15
Q

At what month does kidney secretion start?

A

Third

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16
Q

At what month is the fetal heart audible by stethoscope?

A

Fourth

17
Q

At what month is the sex of the fetus determinable?

A

Fourth

18
Q

At what month does the vernix caseosa form?

A

Fifth

19
Q

At what month do the hair and eyebrows form?

A

Fifth

20
Q

At what month are the pupils reactive to light?

A

Sixth

21
Q

At what month do the eyelids open?

A

Sixth

22
Q

At what month is the fetus capable of hearing sounds?

A

Sixth

23
Q

At what month do the testes descend?

A

Seventh

24
Q

At what month does the alveoli mature?

A

Seventh

25
Q

At what month does the fetus respond to external voice?

A

Eighth

26
Q

At what month do iron stores develop?

A

Eighth

27
Q

At what month does deposition of brown fat occur?

A

Eighth

28
Q

At what month does calcium deposition occur?

A

Ninth

29
Q

At what month does the body store glycogen, iron, and carbohydrates?

A

Ninth

30
Q

At what month does the fetus kick actively?

A

Tenth

31
Q

At what month does the vernix caseosa fully form?

A

Tenth

MCN (13 decks)

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