Appendix 1
The Chronological Development of The Unborn Child

 

Twenty Second Week

 

Timing

Source
A significant increase in fetal breathing occured after giving glucose to the mother.
22nd week after conception Nijhuis/Viser, p 19
A fetus born at this time will attempt to breathe. 22nd week after fertilization Williams, p 154
Eyebrows are usually recognizable. End of 22nd week after fertilization Williams, p 154
Eyelashes are usually recognizable. End of 22nd week after fertilization Williams, p 154
"Blink-startle" response have been reported. 22nd & 23rd weeks after fertilization Moore, p 114
"Blink-startle" responses to vibroacoustic stimulation have been observed. 22nd & 23rd week after conception Birnholz & Benacerraf, p 516
The fetus apparently hears some sounds in utero. 22nd - 24th weeks after fertilization Williams, p 169
A premature fetus born at this time may survive if given intensive care. 22nd - 25th weeks after fertilization Moore, p 114
The skin of the fetus is reddish and has a wrinkled appearance. During the 6th month after fertilization Sadler, p 114
     


 


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