“After the human Birth of Jesus, the Law was fulfilled and our sins were atoned for.”
Like pretty much everything else you wrote, this sentence is completely at odds with Christian dogma. According to our faith, it was not the birth of Jesus which atoned for all sins, but his death. And of course, the incident with Mary Magdalene occurred prior to His death. What you wrote is simply a rationalization to overcome the uncomfortable implication that a passage from the old testament was not actually written by God, and in fact states something that is anathema to the teachings of Jesus.
Jesus’ death atoned for our sins. But during his life he stated he came to fulfill the law.