08-17-2015, 02:45 PM
(08-16-2015, 05:29 PM)bfine32 Wrote: Of course you did.
What intervention is required for a fertilized egg?
Implantation is needed for pregnancy to occur. Implantation has a failure rate of approximately 50%. Of recognized pregnancies, the spontaneous abortion rate is approximately 30%. Therefore, approximately 80% of fertilized eggs fail result in the birth of a child.
