Low Tubal Ovum Transport

 

Human Life International – Definition
http://hli.org/index.php/natural-family-planning/492?task=view

 

Definition and acceptability as ethical form of reproductive technology within the Catholic Church

http://www.usccb.org/prolife/issues/nfp/treatment.htm

http://www.lifemarriagefamily.org.au/resource/Catholics%20and%20reproductive%20technology.pdf

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