The term mutation indicates specifically a genetic defect, hence in the DNA. A study conducted by the Human Genome Project has demonstrated that the faulty transcription of the DNA implies the bad functioning of a gene present in the body and that it carries out an important role.
For centuries we have had the illusion that pregnancy was a simple event: the spermatozoon simply has to meet the oocyte and that’s it. Reality is not exactly like that: thousands of steps are necessary, caused by a cascade of hormonal events, so that the best spermatozoon can meet the mature oocyte, fertilisation happens, and the embryo migrates to the uterus where it could be implanted, even here the conditional is called for.
The decrease in births in Italy seems an unstoppable phenomenon. Last year, there were 15,000 fewer births than in 2014. The average child per woman in Italy is now 1.35, among the lowest in Europe. Everyone blames economic policies or social reasons, but is it really just that?