Appendix 2
The Development of the Unborn Child's Body

 

Kidneys

 

Timing

Source
The kidneys begin to develop.
Early in 5th week after fertilization England, p 153
The kidneys are forming. Day 40 of development Larsen, p 156
The permanent kidneys appear. 5th week Sadler, p 305
The permanent kidneys are actively forming. 8th week after conception Rugh, p 54


 


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