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Valenti hypothesized in 1972 that the procedure he used to obtain fetal tissue could be used to obtain fetal blood, and in 1973, he was able to sample fetal vessels; fetoscopy was used and refined between 1974 and 1983 as a prenatal test to determine fetal status as well as obtain fetal blood and perform transfusions in some cases. [7]
David, We're Pregnant! is a 1973 book of pregnancy-themed comic strips by Lynn Johnston (originally under the name "Lynn Franks", her name at the time), [1] based on cartoons that she had drawn to decorate the ceilings of her obstetrician's office. [2]
Nurse Hitomi's Monster Infirmary (ヒトミ先生の保健室, Hitomi-sensei no Hokenshitsu) is a Japanese manga series written and illustrated by Shake-O. [3] It follows the daily life and adventures of Hitomi Manaka, a cyclops who works as a school nurse, and her co-workers and students dealing with their human (and not-so-human) problems.
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An example of an algorithm for determining the indication for prenatal genetic testing for trisomy 21 (Down syndrome), wherein the genetic blood test (in center) is performed by detecting cffDNA in a blood sample from the mother. [60] Trisomy 21. Fetal trisomy of chromosome 21 is the cause of Down's syndrome.
The following is a list of comic strips.Dates after names indicate the time frames when the strips appeared. There is usually a fair degree of accuracy about a start date, but because of rights being transferred or the very gradual loss of appeal of a particular strip, the termination date is sometimes uncertain.
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The use of fetal scalp blood testing originated in Germany in 1961 and required 0.25 mL of blood drawn from the fetus. [1] As one of the first methods of monitoring fetal wellbeing during labor, there were many disadvantages including the need for at least 3 cm dilation of the mother and extreme precision from the physician performing the procedure. [9]