Having already noted the importance of a woman's immunological tolerance to her baby's paternal genes, several Dutch reproductive biologists decided to take their research a step further.

B. Shorgan (b. August 1940), reproductive biologist.

Sheldon Segal, 83, American reproductive biologist.

'You understand I'm no reproductive biologist?'

"It's just a big failure," said Dr. Richard Schultz, a developmental and reproductive biologist at the University of Pennsylvania.

And should the process of egg renewal prove to be at work in humans, the ramifications, reproductive biologists agree, are profound.

Despite the enthusiastic reception for the results of Dr. Yanagimachi's experiment among reproductive biologists, he had great difficulty publishing his paper.

The International Rhino Foundation has been steadfastly working to address these issues with the expertise of numerous veterinarians and reproductive biologists.