Milestones of Fetal Growth and Development Flashcards
End of the Fourth Gestational Week (6)
a. Embryo is about 0.75 cm
b. Weight is about 400 mg.
c. Spinal cord
d. The head is large (one third of the entire structure)
e. The rudimentary heart as a bulge on the anterior surface.
f. Arms and legs are bud-like structures; rudimentary eyes, ears, and nose are discernible.
End Of Eight Gestational Week (7)
a. 2.5cm (1 in)
b. 20g
c. Organogenesis is complete
d. discernable facial features; arms and legs developed
e. forming external genitalia
f. abdomen bulges
g. gestational sac. (dg of pregnancy)
End of the 12th Gestational week (First Trimester) (10)
a. 7 to 8 cm
b. 45 g
c. nail beds
d. faint movements
e. reflexes, Babinski reflex.
f. Bone ossification centers
g. Tooth buds
h. sex distinguish, oa
i. urine secretion
j. Heartbeat (doppler)
End of 16th gestational week (7)
a. 10 to 17 cm
b. 55 to 120g
c. FHR in stethoscope
d. Lanugo
e. function of liver and pancreas
f. swallow amniotic fluid.
g. sex known by ultrasonography
End of the 20th Gestational Week (9)
a. 25 cm
b. 223g
c. Spontaneous fetal movements
d. Antibody production
e. Hair etc, cover skin
f. Meconium in upper intestine
g. Brown fat
h. antibody transfer
i. sleeping/activity
End of 24th Gestational Week (Second Trimester) (7)
a. 28 to 36 cm
b. 550 g
c. Meconium up to rectum
d. surfactant
e. eyelids
f. hearing
g. practical low-end age of viability
End 28th Gestational Week (5)
a. 35 to 38 cm
b. 1, 200g
c. alveoli mature, surfactant in AF
d. testes descend
e. blood vessels of the retina
End of 32nd Gestational Week (6)
a. 42 to 48 cm
b. 1,800 to 2,700 g (5 to 6 lb.)
c. glycogen, iron etc
d. subcutaneous fat
e. 1 or 2 crisscross creases
f. turn into a vertex
End of the 40th Gestational Week (8)
a. 48 to 52 cm (crown to rump, 35 to 73 cm)
b. 3,000g (7 to 7.5 lb)
c. kicks actively
d. conversion of hemoglobin
e. Vernix caseosa
f. Fingernails
g. creases covers
