I want to thank all that responded to my original message. I did take the hen 
to a vet. He broke the egg (Which was soft and pretty small). Then he
carefully pulled out the shell and then washed her with a special solution.
She then woke uf very frightened but over the weekend she fully recovered.
I removed the nest box so that she wont try anithing for a while. My bigest
lesson from this was to nevor move a pair if the hen is expecting to lay.
Originally I'd thougt that she had simply suffered trauma from the male 
beating her up. At times the egg was so high it was'nt visible. I know I took 
a bit long to react. Thank God she was saved in time. The vet could'nt
beleive that she was'nt in worse condition since she had been with the 
problem for more than two weeks. Again thanks to the ones that responded and
do'nt worry, she now perches and walks with no problem.  
 
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