developmental milestones Flashcards

1
Q

3 weeks

A

heart starts beating and blood circulates

yolk sac initiates primitive hematopoiesis

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2
Q

4 weeks

A

development into 4-chamber heart

respiratory system begins forming

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3
Q

5 weeks

A

umbilical cord has completely developed

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4
Q

8 weeks

A

gender now distinguishable

heart fully developed

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5
Q

9 weeks

A

fingers, toes, eyelids, and jaw evident

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6
Q

12 weeks

A

placenta and organ systems are complete

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7
Q

11 weeks

A

fetus urination in amniotic fluid

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8
Q

16 weeks

A

meconium is found in bowels

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9
Q

20 weeks

A

quickening

baby’s hearing is developing

lanugo covers the body

circadian rhythm evident

vernix caseosa appears

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10
Q

24 weeks

A

viable circulation

rapid brain growth

hiccups

Lecithin present for L/S ratio

vernix caseosa thickens

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11
Q

6 weeks

A

hematopoiesis starts from fetal liver

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12
Q

28 weeks

A

eyes open and close

processes sights and sounds

taste buds developing

hair on the head

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13
Q

32 weeks

A

nails and finger print present

subcutaneous fat develops

vigorous fetal movement

L/S ratio 1.2:1

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14
Q

36 weeks

A

lanugo disappearing

amniotic fluid decreases

L/S ratio 2:1

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15
Q

40 weeks

A

complete fetal development

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