Exam 1 - Note Set 3 Flashcards
Fetal period…
9th week until birth
The fetus is generally less susceptible to __________ agents that the embryo
Teratogenic (agents)
The length of he fetus is usually described in one of two ways…
______-_______ ______ - Sitting height
______-_______ ______ - Standing height
Crown-Rump Length (sitting)
Crown-heel length (standing)
Length between the two parietal eminences
Biparietal Diameter
Growth in length is particularly pronounced during months __ - __
(months) 3 - 5
Increase in weight is most rapid during months ___ & ___
(months) 8 & 9
In which month does the fetus become distinctly human-looking as the eyes, initially facing laterally, become ventrally oriented?
3rd month
During the 5th month, the fetus is covered by fine hair called _______
Lanugo
During which month do head hair and eyebrows become visible, and movement of the fetus can be felt by the mother?
5th month
In the sixth month, the skin of the fetus is reddish and wrinkled due to its… (2)
Thin Skin
Lack of fat
8th & 9th month:
The skin is covered by a whitish, fatty substance called _______ _______, secreted by the ________ gland.
Vernis Caseosa
(secreted by) Sebaceous Gland
Most fetuses are born within ___ to ___ days of the calculated birthdate
10 to 14 days of birthdate
Any fetus that makes it to ___ weeks usually survives
35 weeks
At birth, most fetuses reach a crown-rump length of _____ mm and weight of _______ grams
360mm
3400grams
Low birth weight is most often due to ________ ________
Placental Insufficiency
