Fetal Development by Months Flashcards
First Month of Fetal Development
L: 0.75-1cm
G: 400 mg
spinal cord fused and at midpoint
Second Month of Fetal Development
L: 2.5 cm
G: 20 g
completed organogenisis
heart w/ septum beats rhythmically
extremities developed
Third Month of Fetal Development
L: 7-8 cm
G: 45 g
formation if bone ossification centers
kidney secretion starts
heartbeat audible by doppler
Fourth Month of Fetal Development
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
Fifth Month of Fetal Development
L: 25 cm
G: 223 g
hair and eyebrows formed
vernix caseosa forms
meconium present in upper intestine
Sixth Month of Fetal Development
L: 28-36
G: 550 g
eyelids open
pupils reactive to light
capable of hearing sounds
Seventh Month of Fetal Development
L: 35-38 cm
G: 1200 g
testes begins to descend
alveoli matures
Eighth Month of Fetal Development
L: 38-43 cm
G: 1,600 g
fetus responds to external voice
fetus assumes birth position
deposition of brown fat
Ninth month of fetal development
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
Tenth month of fetal development
L: 48-52 cm
G: 3000 g
fetus kicks actively
vernix caseosa fully formed
sole creases cover 2/3 of feet
At what nonth does the spinal cord fuse and is at midpoint?
First month
At what month does organogenisis complete?
Second
At what month are the external genitalia present?
Second
At what month are nailbeds and tooth buds formed?
Third
At what month does kidney secretion start?
Third
At what month is the fetal heart audible by stethoscope?
Fourth
At what month is the sex of the fetus determinable?
Fourth
At what month does the vernix caseosa form?
Fifth
At what month do the hair and eyebrows form?
Fifth
At what month are the pupils reactive to light?
Sixth
At what month do the eyelids open?
Sixth
At what month is the fetus capable of hearing sounds?
Sixth
At what month do the testes descend?
Seventh
At what month does the alveoli mature?
Seventh
At what month does the fetus respond to external voice?
Eighth
At what month do iron stores develop?
Eighth
At what month does deposition of brown fat occur?
Eighth
At what month does calcium deposition occur?
Ninth
At what month does the body store glycogen, iron, and carbohydrates?
Ninth
At what month does the fetus kick actively?
Tenth
At what month does the vernix caseosa fully form?
Tenth