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Date/Time Thumbnail Dimensions User Comment; current: 15:35, 26 April 2007: 2,100 × 5,400 (101 KB): Andrew c {{Information |Description=These are hand drawn (using multiple frames of reference) images of human fetuses at various points of development that proposed to replace the objectable blobs on the pregnancy SVG series |Source=self-made |Date=2007-04-26 |Aut
Embryonic development in the human, covers the first eight weeks of development; at the beginning of the ninth week the embryo is termed a fetus. The eight weeks have 23 stages. Human embryology is the study of this development during the first eight weeks after fertilization. The normal period of gestation (pregnancy) is about nine months or ...
File:Prenatal development table.svg. Size of this PNG preview of this SVG file: 799 × 123 pixels. Other resolutions: 320 × 49 pixels | 640 × 99 pixels | 1,024 × 158 pixels | 1,280 × 197 pixels | 2,560 × 394 pixels | 1,850 × 285 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
The fetus reaches a length of about 40–48 cm (16–19 in). The fetus weighs about 2.5 to 3 kg (6 lb 10 oz)to 6 lb 12 oz). Lanugo begins to disappear. Body fat increases. Fingernails reach the end of the fingertips. A baby born at 36 weeks has a high chance of survival, but may require medical interventions. Fetus at 38 weeks after fertilization.
The mean sac diameter [3] can effectively estimate the gestational age [4] between 5 and 6 weeks, with an accuracy of about +/- 5 days. [ 5 ] The yolk sac and embryo should be readily identifiable when the gestational sac reaches a certain size — a yolk sac should be seen when the gestational sac is 20mm and a fetal pole should be seen when ...
In each case the fetal sex can be determined quickly, and if the fetus is a male the dexamethasone can be discontinued. If female, fetal DNA is analyzed to see if she carries one of the known abnormal alleles of the CYP21 gene. If so, dexamethasone is continued for the remainder of the pregnancy at a dose of about 1 mg daily. [201]
English: A diagram showing the brain and major nerves of a 6 week old human fetus. 1. olfactory 2. optic 3. oculomotor 4. trochlear 5. trigeminal sensory 6. trigeminal motor 7. abducens 8. facial 9. vestibulocochlear 10. glossopharyngeal 11. vagus 12. cranial accessory 13. spinal accessory 14. hypoglossal. 15. cervical I, II, III and IV
File:Hand.svg. Size of this PNG preview of this SVG file: 507 × 600 pixels. Other resolutions: 203 × 240 pixels | 406 × 480 pixels | 649 × 768 pixels | 866 × 1,024 pixels | 1,731 × 2,048 pixels | 541 × 640 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.